which statement does not describe an antibiotic mechanism of action, thus enabling the antibiotic to kill bacteria?

Answers

Answer 1

The statement "it prevents the formation of phospholipid bilayer" does not describe an antibiotic mechanism of action capable of enabling the antibiotic to kill bacteria.

What is an antibiotic?

An antibiotic is a specific medication drug that hampers the growth of infectious bacteria, thereby being used in therapeutics against these pathogenic microorganisms.

The prevention of the formation of the phospholipid bilayer does not raise a therapeutic strategy to eliminate these infectious agents (i.e. bacteria) in the body in order recover the health state.

Antibiotics act for example by inhibiting the cell wall, altering cellular membranes, or inhibiting the synthesis of either DNA or RNA.

In conclusion, the statement "it prevents the formation of phospholipid bilayer" does not describe an antibiotic mechanism of action capable of enabling the antibiotic to kill bacteria.

Complete question:

Which statement does not describe an antibiotic mechanism of action, thus enabling the antibiotic to kill bacteria?

a. It prevent the formation of phospholipid bilayer

b. Inhibition of Cell Wall Synthesis.

c. Alteration of Cell Membranes.

d. Inhibition of Nucleic Acid Synthesis

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Related Questions

Semen creates a(n)__________ environment for sperm to safely travel through both the male and female reproductive tracts.

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Semen creates a(n)alkaline environment for sperm to safely travel through both the male and female reproductive tracts.

In the field of biology, semen can be described as a white, slippery fluid that is released from the male reproductory organ. Semen is also referred to as the seminal fluid.

The semen of males carries the sperm cells which are required for the fertilization of the female egg. The conditions should be favorable for the process of fertilization to occur.

The natural atmosphere of the vagina of a female is acidic in nature. The sperms need a neutral environment for survival. Hence, the semen is produced alkaline in nature to prolong the lifetime of sperm cells. The alkalinity of the semen neutralizes the acidity of the vagina.

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The thick walled inferior chambers of the heart that pump blood into the artiers are called?

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The ventricles, which are the pumping chambers, are the lower chambers. The heart has four valves that aid in regulating the direction of blood flow. The body's low-oxygen blood returns and enters the right atrium.

What is inferior chambers of the heart?

Normally, the heart has two upper chambers and two lower chambers. Incoming blood enters the top chambers, the right and left atria.

The Right and Left inferior heart chambers, which are responsible for blood pumping; The left ventricle pumps blood into the body's circulation.

To carry oxygen to all the organs and tissues, whereas the right ventricle pumps blood into the lungs to absorb oxygen.

Therefore, ventricles are thick walled inferior chambers of the heart that pump blood into the atrium.

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What insight about the genetic basis of behavior emerges from studying the effects of courtship mutations in fruit flies and of pairbonding in voles?

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Studying the genetic basis of these behaviors reveals that changes in a single gene can have large-scale effects on even complex behaviors.

What is courtship mutations ?

A deviation from the typical DNA sequence at a certain gene locus. Although the phrase is frequently associated with negativity, mutations (including polymorphisms) can affect cell activity in ways that are negative, positive, or neutral.

The two types of mutations known as frame-shifts are insertions and deletions, which are the type of mutations. A change in the reading frame of the genetic code will result from the addition or deletion of nucleotides that are not multiples of 3. Insertions change the DNA by introducing one or more additional nucleotides.

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Formation of adenosine triphosphate from adenosine diphosphate and an inorganic phosphate molecule requires the input of energy. True or false

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Answer: True

Explanation: The Cell needs energy to release ADT (adenosine triphosphate)

Why is the minimum viable population size smaller for a genetically diverse population than for a less genetically diverse population?

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A more genetically diverse population is better able to withstand pressures from disease or environmental change, making it less likely to become extinct over a given period of time  The minimum viable population (MVP) is minimum population size required for its sustainability over the years. The more genetically diverse population can easily adapt to changes and is less prone to extinction. Wheras small population size is easily affected by genetic drift and loss of diversity increase the risk of extinction.

Genetic Diversity is Degree of genetic variation within a species or populationMutation is a permanent change in a cell's DNA; includes changes in nucleotide sequence, alteration of gene position, gene loss, or duplication and insertion of foreign sequences; an inheritable mutation has the potential to affect an whole gene pool

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which macromolecule is the primary component of cell membranes and which macromolecule is the primary energy storage ?

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Lipids is the main element and the main source of energy storage in the cell membrane.

What is  lipids?

Any of a wide range of organic substances that are classified together as lipids because they do not significantly interact with water, such as fats, oils, hormones, and some membrane components. The adipose cells, which act as an organism's energy storage depot and thermal insulator, sequester one form of lipid, the triglycerides, as fat. Some lipids, like steroid hormones, transmit messages between biochemical systems inside a single cell whereas others act as chemical messengers between cells, tissues, and organs. Organelles (structures within cells) and cell membranes are tiny thin structures made of two layers of phospholipid molecules.

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The distinguishing characteristic between tight junctions and adherens junctions is that?

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The adherens junction attaches to the actin myofilaments of the cytoskeleton and the tight junctions do not attach to the actin myofilaments.

What are actin myofilaments?

Actin is a protein that significantly contributes to the ability of muscle and other cells to contract. There are two types of it: monomeric globular actin (G-actin) and polymeric fibrous actin (F-actin), which is used for muscle contraction.

Myosin, the most prevalent protein in muscle, is made up of thick filaments that alternate and interdigitate with two long strands of bead-like actin molecules to produce a thin filament in muscle. Actin and myosin are activated when a signal for muscular contraction travels via a neuron to a muscle cell.

Myosin functions as a motor, releasing energy from the hydrolysis of adenosine triphosphate (ATP) to drive a myosin filament along an actin filament, causing the two filaments to glide past one another. Tropomyosin and troponin, two additional muscle proteins, control the momentary union of actin and myosin that causes muscular contraction.

Therefore, the adherens junction attaches to the actin myofilaments of the cytoskeleton and the tight junctions do not attach to the actin myofilaments.

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Rabies, a viral disease in mammals, is not currently found in the British Isles. If you were in charge of disease control there, what practical approaches might you employ to keep the rabies virus from reaching these islands?

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To prevent rabies disease, I would take the following steps;

vaccinate all individual against rabies virusprevent entry of all unvaccinated individuals

What is rabies?

Rabies is a viral disease caused by the rabies virus and which affect mammals. The disease is spread through the bite of an infected mammals such as dogs, bats, coyotes, foxes, skunks and raccoons.

The rabies virus infects the central nervous system of the infected mammal and produces symptoms such as  fever, headache, excess salivation, muscle spasms, paralysis and mental confusion.

The preventive measure is to vaccinate against rabies virus.

Therefore, I would vaccinate all animals against the rabies virus and also prevent entry of all unvaccinated individuals.

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The presence of bacterial lipopolysaccharide (LPS) in the blood is a major cause of septic shock. Suppose you have available purified LPS and several strains of mice, each with a mutation that inactivates a particular TLR gene. How might you use these mice to test the feasibility of treating septic shock with a drug that blocks TLR signaling?

Answers

Lipopolysaccharides (LPS) are important components of gram-negative bacteria's outer membrane. They are large amphipathic glycoconjugates composed of a hydrophobic lipid domain attached to a core oligosaccharide and a distal polysaccharide.

What is meant by endotoxins?

Endotoxins are more commonly known as bacterial lipopolysaccharides. These are cell wall components that are released during bacterial cell lysis. They activate the body's innate immune system, causing inflammation, fever, and a drop in blood pressure. According to reports, the toll-like receptor 4 (TLR4) is the human body's receptor for LPS.

A mouse's susceptibility to LPS differs from that of humans. Mice are more resistant to endotoxins. To avoid false positives, the dosage for mice must be optimized before beginning the experiment.

To determine which TLR is responsible for TLR susceptibility, each TLR mutant is given a known dose of LPS, which is known to cause sepsis in a healthy wild-type mouse. The mice that develop symptoms after LPS administration have a functional LPS receptor, indicating that the mutant TLRs present in them are not involved in LPS reception.

The mice that do not respond to LPS are resistant to sepsis, most likely because the TLR with which the LPS interacts is inactive. As a result, it provides us with information about the receptor. We can now identify a drug molecule that inhibits this receptor in healthy mice and prevents sepsis.

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Which bond types may be utilized to establish the tertiary structure of a protein?

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The bond types that may be utilized to establish the tertiary structure of a protein are the non-covalent bonds.

The tertiary structure of a protein is the arrangement of a protein in the three dimensional space. It is stabilized by the non-covalent bonds. It is the level of protein structure where a protein becomes functional. The example of protein which is functional in tertiary structure is myoglobin.

Non-covalent bonds are those that are formed between different molecules rather than the atoms. No sharing of electrons occurs in this type of bonding. The examples of these bonds are: ionic bonds, hydrogen bonds, Van der Waals forces, etc.

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Consider the role of photosynthetic protists as producers in aquatic ecosystems. (Review the discussion in Concept 28.6.) What factors in addition to light availability are likely to limit primary production in the oceans?

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Other factors in addition to light availability that are likely to limit primary production in the oceans are; CO2 concentration.

What is primary production?

Primary production is the synthesis of new organic matter by plants and other autotrophs called primary producers.

Primary producers are autotrophic organisms producing complex organic matter, using photosynthesis or chemosynthesis.

According to this question, photosynthetic protists are significant producers in aquatic ecosystems. This means that they are the major producer of organic matter in the oceans and seas.

However, asides light availability, which is a strict requirement for photosynthesis, the concentration of CO2 is also a factor that can affect primary production.

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In the picture, the organelle depicted is a) connective tissue. b) the site of synthesis of ATP. c) the site of photosynthesis. d) the storage site of starch, lipids, and proteins.

Answers

Answer:

c) the site of photosynthesis

Explanation:

if you were designing a policy to protect islands from invasive species what types of islands would you choose to focus on and why

Answers

If i was designing a policy to protect islands from invasive species, the types of islands which would be focused on is Pacific island due to the absence of natural competitors which control the ecosystem.

What are Invasive species?

This is referred to organisms who aren't indigenous to an area and end up becoming overpopulated in the given area.This therefore leads to the organisms causing economic and environmental harm to the new area.

This is usually caused when there is an absence of  natural predators or competitors which control the ecosystem in the area which is the reason why there is a high increase in population growth.

The Pacific island has a very low number of these natural predators and is therefore the reason why a policy will be designed in other to protect it from invasive species.

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Give an example of apoptosis during embryonic de velopment, and explain its function in the developing embryo.

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The loss of cells that produce the webbing between the fingers and toes of a growing foetus or paw in animals is an immediately identifiable example of apoptosis during embryonic development.

This permits the digits to move independently of one another, i.e., it shapes the digits of the hand or paw such that they are not webbed (This happens at the stage of cell differentiation during cell growth). This does not always occur throughout development, resulting in some new-borns being born with webbing that must be surgically removed. Water birds with webbed feet have a lack of apoptosis in these locations.

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DUE TODAY:

How do your two selected body systems interact with one another under normal conditions on Earth to help the human body function efficiently?

two selected body systems: immune system, lungs and respiratory system

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The two selected body systems immune system and respiratory system interact with one another under normal conditions on Earth to help the human body function efficiently by complementing each other's function if the lungs get infected the immune system will remove the infection by sending the white blood cells, on the other hand, the respiratory system transfers oxygen to all the cells in the body through the blood which is required for the metabolism of the cells.

Lungs are powerful immune organs and carry macrophages, upon infection which might divide into alveolar macrophages and interstitial macrophages, bronchial epithelial cells, and Natural killer cells along with other innate lymphoid cells, and different T and B cells.

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acetylcholine is a signaling molecule that elicits responses from heart muscle cells, salivary gland cells, and skeletal muscle cells. which of the following statements is false? group of answer choices

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Acetylcholine is a signaling molecule used as a neurotransmitter that elicits responses from heart cells, muscle cells, salivary gland cells, and skeletal muscle cells . True statement.

Neurotransmitter is a chemical that is used to transmit the nerve impulse from one cell to another. They diffuse from the membrane of the pre-synaptic cell into the synapses and binds with the receptors of the post-synaptic cell to generate an action potential in that cell.

There are different compounds that can be used as a neurotransmitter in the body like acetylcholine, dopamine,  histamine, serotonin, etc.

Acetylcholine is a organic compound which is derived from ester of acetic acid and choline. it is used as a neurotransmitter in our body.

It is used as a neurotransmitter in the synapses of heart cells, muscle cells, salivary glands and skeletal muscles in our body.

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Why are many drugs that are used to treat nervous system diseases or to affect brain function targeted to specific receptors rather than particular neurotransmitters?

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These medications can reduce brain activity, which makes them effective for treating anxiety, panic, severe stress reactions, and sleep issues.

What is effect of drug on nervous system?

While certain neurotransmitters provide excitatory signals across synapses, others send inhibitory signals.

Sedatives, tranquilizers, and hypnotics are examples of medications known as central nervous system (CNS) depressants.

These medications can reduce brain activity, which makes them effective for treating anxiety, panic, severe stress reactions, and sleep issues.

Therefore, drugs that are used to treat nervous system diseases or to impact brain function.

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Which three functional groups are part of the basic structure of every amino acid?.

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Amino acids contain three functional groups: a carboxyl group, an amino group, and a radical group.

What is an amino acid?

Amino acids are organic molecules that will form the structural pillars to form proteins. These are going to be made up of a structure having in common all of them a carboxyl group, an amino group and a radical group that is in which they are going to differentiate to have their own property.

Animoacids not only have the structure to form proteins but can also be messengers for certain nervous reactions or also for the biosynthesis of porphyrins, purines, pyrimidines and urea.

Thanks to the R group and the difference of each amino acid in it, 20 types of amino acids are known.

Amino acids will also be involved in the regulation and maintenance of the body since they will also be part of enzymes or hormones.

Therefore, we can confirm that amino acids contain three functional groups: a carboxyl group, an amino group, and a radical group.

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Carolyn is home alone when she hears someone trying to open her front door. she is immediately frightened. which brain area is involved in her emotional response?

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The brain area that gets activated after being frightened is amygdala.

Brain is the largest organ and the most complex one. It is the center for regulating each and every activity of the complete body. The brain regulates the thoughts, memory, decision-making, equilibrium, posture, responses to stimulus, etc.

Amygdala is the region of the brain located  in the medial temporal lobe. It regulates the emotions and the emotional behavior of a person. It specially gets activated upon the sensing of threat and fear. The other emotions it regulates are: anger and pleasure. If the amygdala becomes non-functional in an organism, the person loses the sense of fear.

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How many distinct tetrapeptides can be made from the four amino acids: leucine, histidine, alanine, and valine? each amino acid may be used more than once.

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256  tetrapeptides can be made from the four amino acids: leucine, histidine, alanine, and valine. It makes use of the concept of Permutation and Combination.

A peptide bond is the covalent bond that paperwork among amino acids, linking them together.

A dipeptide has 2 amino acids bonded collectively; a tripeptide has three amino acids, and a tetrapeptide has 4 amino acids.

In this example, tetrapeptides talk to polypeptides made from four amino acid subunits. this can mean that there are four available empty spaces if you want to slot within the distinct amino acids in a while:

since there are 4 distinct amino acids to be had, and for Biology, we usually take it as a case where the amino acids positioned may be repeated, there are four(four)(4)(four) unique combinations for the institution of four amino acids.

subsequently, the range of wonderful tripeptides possible = [tex]4^{4}[/tex] = 256  

Amino acids are organic compounds that contain both amino and carboxylic acid functional groups.

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how likely is it that organisms will respond to rapid climate change by undergoing short-term evolutionary adaptations? group of answer choices it is not very likely; evolution will not begin to occur until it is clear that climate change is a long-term process. it is not very likely; evolution occurs continually, but it may be too slow, or a population’s genetic variation may be too small, to keep up with rapid climate change. it is very likely; all organisms respond to environmental change through evolution. it is very likely; populations are much more likely to respond to short-term changes than to long-term ones.

Answers

It is not very likely that organisms will respond to rapid climate change by undergoing short-term evolutionary adaptations; evolution occurs continually, but it may be too slow, or a population's genetic variation may be too small, to keep up with rapid climate.

Evolution can be described as the particular changes that are observed in a species over a period of time in order for it to adapt to a changing environment.

The process of evolution is not a rapid one and it takes many years for a species to completely change. It might happen that a population might be too small to respond to a rapid change. In such a scenario, either the population is all dead or migrates to places where conditions are favorable. Hence, it is not very likely that a population of organisms will respond to rapid climate change through short-term evolutionary adaptations. Evolution might occur but the process will never be a rapid one. The changes will be continual but too slow.

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The domestication of plants and animals in areas near the indus, huang he, nile, and tigris-euphrates rivers resulted in the development of villages and cities. The growth of early settled communities contributed to?.

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The domestication of plants and animals resulted in the development of villages and cities. The growth of early settled communities contributed to the development of political and religious institutions.

The term "domestication" refers to taming an animal, growing plants for sustenance, making someone lovable and devoted at home, as well as undertaking chores related to that profession or vocation. The domestication of plants and animals in areas near the Indus, Huang he, nile, and tigris-euphrates rivers resulted in the development of villages and cities which in turn contributed to the development of political and religious institutions.

The domestication of animals refers to the mutual relationship between animals and humans who influence their care and reproduction. It means to adapt (an animal or plant) over time from a wild or natural state, particularly through selective breeding to live in close association with and to the benefit of humans.

Charles Darwin identified a select few characteristics that distinguished domesticated creatures from their wild progenitors. The process of domesticating wild flora and animals for human use. For food, labor, clothing, medicine, and a variety of other uses, domestic animals are raised.

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if protein a has a pi of 3.1, protein b has a pi of 6.8, and protein c has a pi of 8.9, which protein would elute first from a cation exchange column at ph 7?

Answers

If protein A has a pI of 3.1, protein B has a pI of 6.8, and protein C has a pI of 8.9  protein A would elute first from a cation exchange column at pH 7. Option A

This is further explained below.

What is protein?

Generally, An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds.

All living things include proteins, which are the building blocks of several vital biological substances including enzymes, hormones, and antibodies.

In conclusion, Protein A would be the first protein to elute from a cation exchange column at a pH of 7 if protein A has a pI of 3.1, protein B has a pI of 6.8, and protein C has a pI of 8.9. Alternative A

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Complete question

If protein A has a pI of 3.1, protein B has a pI of 6.8, and protein C has a pI of 8.9, which protein would elute first from a cation exchange column at pH 7?

a) protein A

b) protein B

c) protein C

d) All three proteins would elute at the same time

clayton incurred a spinal cord injury, and the doctors wanted to enroll him in a clinical trial that used stem cells in the treatment. stem cells are special because they can .

Answers

Clayton incurred a spinal cord injury, and the doctors wanted to enroll him in a clinical trial that used stem cells in the treatment. stem cells are special because they can turn into other specialized cells in the body.

What is stem cells for?

Stem cells are used in stem cell transplants to replace cells lost by chemotherapy or disease, or to help the donor's immune system fight certain types of cancer and blood-related diseases such as leukemia, lymphoma, neuroblastoma, and multiple myeloma.

Where are stem cells found?

In the bone marrow

Stem cells are usually found in bone marrow (the spongy center of certain bones). This is where they divide in order to produce new blood cells. Once mature, blood cells depart the bone marrow and into the bloodstream. A tiny number of immature stem cells enter the bloodstream.

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2. You have already learned about the formation of metamorphic, sedimentary, and igneous rocks. Use what you know to construct an explanation about how you think melted rock deep within Earth could change over time and one day look like the image on this page.

Answers

Answer:

one day the inside of earth would be filled with plastics and trash because of large trash fields

Explanation:

List the following in order from smallest to biggest

Biome community ecosystem biosphere habitat

Answers

Habitat, community, ecosystem,biome, biosphere

innate immune memory contributes to host defense against recurrent skin and skin structure infections caused by methicillin-resistant staphylococcus aureus.

Answers

The most common cause of infections of the skin and skin structures is Staphylococcus aureus (SSSI). The high rate of recurrent SSSI brought on by S. includes methicillin-resistant S. aureus

Despite having high levels of specific antibodies and circulating T cells, MRSA strains of S. aureus suggest that conventional adaptive immunity only provides partial protection. We proposed that the protective host defense against recurrent MRSA infection involves innate immunological memory. SSSI was induced in wild-type and rag1-/- mice from the BALB/c and C57BL/6 backgrounds in order to test this theory. Reduced abscess severities and lower CFU densities compared to those in naive controls show that prior infection (priming) of wild-type and rag1-/- mice of either background provided protection against repeat infection.Interestingly, for wild-type and rag1-/- mice, protection was higher on the previously infected flank than on the naive flank. Increased infiltration of neutrophils (polymorphonuclear leukocytes [PMN]), macrophages (M), Langerin+ dendritic cells (LDC), and natural killer (NK) cells were associated with protective efficacy in wild-type mice. Interleukin-17A (IL-17A), IL-22, and gamma interferon (IFN-), as well as the antimicrobial peptides CRAMP and mD-3, were all related with protection. Additionally, priming resulted in enhanced M and LDC infiltration as well as the activation of IL-22, CRAMP, and mD-3, which protected rag1-/- mice from recurrent SSSI. These results imply that in recurrent MRSA SSSI, innate immunological memory, through particular cellular and molecular pathways, likely contributes to the localized host defense. These discoveries encourage the creation of focused immunotherapeutic approaches to deal with the problem of MRSA infection.

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How are bacteria a study in contradictions?

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Bacteria are a study in contradictions because each bacterium has its controversies due to growth and development in culture medium.They have made possible our understanding, at the molecular level, of hundreds of disease-relevant proteins that in turn has enabled rational drug design to improve human health.

How are bacteria being used in research?

Applications of basic research on bacteria are essential for medicine, the pharmaceutical industry, biotechnology, bioremediation, and alternative energy production. Developing these applications will demand integration of many scientific disciplines.

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How did the use of an oxygen isotope help elucidate the chemistry of photosynthesis?

Answers

The oxygen created during photosynthesis comes from water, not carbon dioxide.

By 1940, chemists began employing heavy isotopes to track photosynthetic processes. Early investigations employed water labeled with an oxygen isotope (18O). Plants that photosynthesized in the presence of H218O-containing water generated 18O-containing oxygen gas; plants that photosynthesized in normal water produced normal oxygen gas. These findings confirmed van Niel's notion that the oxygen gas created during photosynthesis is obtained from water.

Van Niel's proposal (that oxygen produced during photosynthesis originates in water rather than carbon dioxide) was significant because the popular (though invalid) theory was that oxygen was removed from carbon dioxide (rather than hydrogen from water, releasing oxygen) and carbon was then combined with water to form carbohydrate (rather than the hydrogen from water combining with CO2 to form CH2O).

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If a state SIP isn't acceptable, what might happened?

Answers

Answer:

EPA must impose sanctions and ultimately assume responsibility for enforcing the Clean Air Act in that State through a Federal Implementation Plan (FIP) if the State does not correct its SIP deficiency.

Explanation:

Answer:

If a state SIP isn't acceptable, what might happen? EPA must impose sanctions and ultimately assume responsibility for enforcing the Clean Air Act in that State through a Federal Implementation Plan (FIP) if the State does not correct its SIP deficiency. 5.

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In your own words please answer the following questions:1. Explain the difference between cognitive and emotional empathy?2. How do relationships increase resilience?3. What does it mean to have self-compassion? Sharon packs apples into bags. if she packs 6 apples in each bag, she will have 3 apples left. if she packs 7 apples in a bag, she will be four apples short. how many bags does she have? how many apples does she have? Recall your history classes and their discussions about battle. Compare old school war to now in five sentences or more. Think about weapons, tactics, communication Suppose that technological advancements stimulate $4 billion in additional investment spending. if the mpc = 0.8, how much will the change in investment increase aggregate demand? A type of adr in which lawyers for all parties present their arguments to a neutral third party, who then offers a nonbinding opinion as to what the verdict would be is called? Hello can someone helpHELLLLLPPPPP PLEASE. 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How important then that our chronometers, or time measures, be accurate and faithful! It is said that a slight error in a general's watch caused the overthrow of Napoleon at Waterloo and thus changed the history of the world. Because of its great importance the measurement of time has always been a subject of deep human interest and the story of the clock begins with the history of primeval man.The larger periods of time are measured by the motion of the heavenly bodies. The year and the four seasons are marked off by the motion of the earth in its long journey around the sun; the months and the weeks are told by the changing moon; sunrise and sunset announce the coming and the going of day. The year and the seasons and the day were measured for primeval man by the great clock in the heavens, but how were smaller periods of time to be measured? How was the passing of fractional parts of a day, an hour or a minute or a second to be noted? An egg was to be boiled; how could the cook tell when it had been in the water long enough? A man out hunting wished to get back to his family before dark: how was he to tell when it was time to start homeward?The sun-dial can hardly be called an invention; it is rather an observation. There were, however, inventions for measuring time in the earliest period of man's history. Among the oldest of these was the fire-clock, which measured time by the burning away of a stick or a candle. The Pacific islanders still use a clock of this kind. "On the midrib of the long palm-leaf they skewer a number of the oily nuts of the candle-nut-tree and light the upper one." As the nuts burn off, one after another, they mark the passage of equal portions of time. Here is a clock that can be used at night as well as in the daytime, in the house as well as out of doors. Mr. Walter Hough tells us that Chinese messengers who have but a short period to sleep place a lighted piece of joss-stick between their toes when they go to bed. The burning stick serves both as a timepiece and as an alarm-clock.What is the central idea of this text? Fire-clocks are similar to modern alarm-clocks. Humans can tell time by looking at the stars. Humans have always placed a value on measuring time. Sundials are an accurate way to tell time. A nurse is planning discharge instructions for the client with osteomyelitis. what instructions should the nurse include in the discharge teaching?