Answer:
5% to 7% better results in memory tests.
Explanation:
What mechanism of gene transfer do you think was responsible for transferring the antibiotic resistant gene between these two strains of bacteria? explain your answer.
conjunction mechanism of gene transfer
the process of introducing new DNA into an organism's cells using modified viruses and plasmids as carriers. Cells can be transformed ex vivo for delivery to people or in vivo through gene therapy administered directly to the patient. The non-sexual transmission of genetic data between genomes is referred to as horizontal gene transfer (HGT; often referred to as lateral gene transfer). Genes can be replaced by incoming DNA or RNA, or new genes can be added to a genome. The exchange of genes across organisms is referred to as gene transfer. Both horizontal and vertical gene transfers are possible. When a DNA segment is copied and inserted from one place of the same molecule to another, the transfer of genes occurs horizontally.
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Is the current state of federalism working in the united states why and why not
Yes, the current state of federalism working in the united states.
What is federalism?The constitutional division of authority between U.S. state governments and the federal government of the United States is known as federalism in the country.
The US uses federalism for what purposes?In order to find a balance between order and liberty, the Founders listed several justifications for forming a federalist government:
eliminating tyrannyto promote increased political engagementto use state governments as "laboratories" for fresh initiatives and strategies.The Constitution of the United States established a "dual sovereignty" arrangement whereby the States cede many of their powers to the Federal Government while still retaining some sovereignty. The constitutional division of authority between U.S. state governments and the federal government of the United States is known as federalism in the country.
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Draw five water molecules. (Use structural formulas; show partial charges.) Show how they make hydrogen bonds with each other.
Water is the polar molecule made up of 2 hydrogen atom and one oxygen atom.
Which of the following can join water molecules through hydrogen bonds?
With water, methylamine forms hydrogen bonds. It is soluble in water as a result. The more electronegative nitrogen of methylamine is drawn to by the hydrogen of water. In contrast, the amine group's hydrogen forms a hydrogen bond with oxygen by attraction.
Due to polarity of water and ability to form hydrogen bonds, it is an excellent solvent for many different substances.
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Why would runners have a lower production efficiency when running a long-distance race than when they are sedentary?
Runners have a lower production efficiency when running a long-distance race than when they are sedentary because they need energy obtained by acid lactic fermentation.
What is acid lactic fermentation?Acid lactic fermentation is a type of cellular metabolic pathway to obtain energy in the form of ATP that is less efficient than cellular respiration in terms of ATP generation.
In conclusion, runners have a lower production efficiency when running a long-distance race than when they are sedentary because they need energy obtained by acid lactic fermentation.
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Overall, what is the effect of moss on chemical weathering of rock? Are the results similar or different for granite and andesite?
There is a great effect of moss on chemical weathering of rock because mosses releases acid which can weather rocks.
What is the effect of moss on chemical weathering of rock?Mosses and lichens can dissolve the rock when they grow on the rocks by releasing different acids. This process disintegrate and alter the chemical composition of rocks. This type of weathering is called chemical weathering. Non-vascular plants such as mosses and lichens can greatly increase the weathering of the rock when they grow on it.
So we can conclude that there is a great effect of mosses on chemical weathering of rock because mosses release acid which can weather rocks.
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What are the chances of two grey dogs (grey the dominant G) with a recessive white allele (g) producing a white pup?
What would that look like in a punnet square?
Answer: 25%
Explanation:
There would be a 75% chance of the dogs producing a grey pup, meaning there would be a 25% chance of the dogs producing a white pup.
As an ecologist who manages a wildlife preserve, you want to increase the preserve's carrying capacity for a particular endangered species. How might you go about accomplishing this?
There are several things you can do to boost the species' carrying capacity, such as improving its food supply, shielding it from predators, and providing more nesting or reproduction places.
What would increase the carrying capacity of an ecosystem?The quantity of decomposers has an effect on carrying capacity as well. Decomposers are creatures that break down and recycle dead organisms and organic debris. They keep dead stuff from piling up and taking up space in an environment. A species' population will grow in an ecosystem until it reaches carrying capacity.
What controls the carrying capacity for a species in an environment?Carrying capacity is defined as the average population size of a species in a given habitat. Environmental considerations such as appropriate food, shelter, water, and mates limit the species population size. If these requirements are not met, the population will decline until the resources recover.
Why is carrying capacity important to ecologists?Nonetheless, the concept of carrying capacity is especially useful because it highlights the ecological truth that for all species, there are environmental constraints to the amount of populations that can be sustained. The carrying capacity is never constant.
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Bacteria divide by a type of ______________________ called ____________________.
Bacteria divide by a type of asexual reproduction called binary fission.
In the field of science, asexual reproduction can be described as a reproduction process that involves a single parent. The offspring produced are identical to the parent cell in asexual reproduction because this type of reproduction occurs through the process of mitotic division.
A bacterial cell divides into two by the process of binary fission. Before division, the bacterial cell makes a copy of its genetic material. After a copy of the genetic material is made, the bacteria divide into two equal halves hence resulting in the formation of two daughter cells. As the genetic material is the same, the two daughter cells are identical copies.
Hence, bacteria divide by the asexual process called binary fission.
Although a part of your question is missing, you might be referring to this question:
Bacteria divide by a type of ______________________ called ____________________.
a. sexual reproduction; binary fission
b. asexual reproduction; binary fission
c. asexual reproduction; elongation
d. sexual reproduction; replication
e. asexual reproduction; replication
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tyler wants to learn about the types of insects in the soil near his house. which would be a benefit of carrying out a descriptive investigation? brainly
He could collect large amount of data for a low cost.
What is the benefit of carrying out a descriptive investigation?The goal of descriptive investigation is to describe. It should provide factual, accurate and systematic descriptions of phenomena without attempting to infer causal relationships. It does not answer questions about the how, when, or why a particular phenomenon occurred.
For descriptive investigation he could collect a large amount of data for a low cost. He could control most of the variables affecting the insects.
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What is the name of the two lateral processes in the vertebrae and what is their function?
Answer: On each vertebra, there are two transverse processes and one spinous process. The two transverse processes are located on either side of the ring, while the spinous process is located in the middle. These processes provide sites to which back muscles and ligaments attach.
If you were to insert a microelectrode through the cell membrane of a neuron, you would be able to demonstrate that?
If you were to insert a microelectrode through the cell membrane of a neuron, you would be able to demonstrate that more negative ions are present in one area of the cell membrane than another area.
Explain microelectrode?An electrode used in electrophysiology known as a microelectrode is used to record brain impulses or to electrically stimulate nerve tissue (they were first developed by Ida Hyde in 1921). In order to act as an electrical conductor, 3 molar potassium chloride solutions are typically loaded into pulled glass pipettes with tip sizes of 0.5 m or smaller. The microelectrode turns electrically negative in comparison to the extracellular solution when the tip penetrates a cell membrane because the lipids in the membrane seal onto the glass, creating an excellent electrical connection between the tip and the inside of the cell.
Define cell membrane?All cells' interiors are protected from the outside world by a biological membrane called the cell membrane.
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What is the biological roles of human?
Answer:
to make more humans, to take nutrients from substance, protection from danger. Basic things, i don't know if this helped at all though
Which is not a
form of
pollution?
A. Animal pollution
C. Air pollution
B. Water pollution
D. Soil pollution
Answer:
option A
Explanation:
There is nothing called as animal pollution... Types of pollution are air water and land
There is nothing called as animal pollution. Types of pollution are air water and land.
What is Pollution?
The introduction of hazardous elements into the environment is pollution. Pollutants are the name for these dangerous substances. Pollution can spread to remote areas where no one lives, despite the fact that urban areas are typically more polluted than the countryside.
For instance, the Antarctic ice sheet has been shown to contain chemicals and pesticides. The Great Pacific Garbage Patch is a massive accumulation of tiny plastic debris in the center of the northern Pacific Ocean.
Pollution is carried by air and water currents. Marine contaminants are dispersed widely by ocean currents and migrating fish. Radioactive material that has been unintentionally released from a nuclear reactor can be picked up by winds and dispersed globally.
Therefore, There is nothing called as animal pollution. Types of pollution are air water and land.
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How have periods of glaciation influenced latitudinal patterns of diversity?
Glaciations have severely reduced diversity in northern temperate, boreal, and Arctic ecosystems, compared to tropical ecosystems.
What is Glaciation?This is defined as the study of ice and its various impacts in the environment such as latitudinal patterns of diversity.
Glaciation has led to less plant and animal life being available in northern temperate, boreal, and Arctic ecosystems due to the harsh conditions which is usually characterized by lack of food and shelter as a result of the extremely cold conditions. However , the tropical systems have has more diversity due to the large number of available resources in the area.
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The macromolecules that make up the majority of the cell membrane’s structure are.
Lipids and proteins are the macromolecules that make up the majority of the cell membrane’s structure.
The cell membrane can be described as a semi-permeable membrane that allows selective entry of materials into and out of a cell.
The cell membrane is made up of a phospholipid bilayer. This phospholipid bilayer is amphipathic in nature i.e having hydrophobic tails and hydrophilic heads. The heads are pointed outwards, whereas the tails are embedded in between.
Besides phospholipids, cholesterol is also present in the structure of the cell membrane.
The cell membrane also has proteins embedded in it. These proteins act as carrier molecules and facilitate the entry of various hormones, ions, etc inside the cell membrane. The cell membrane consists of intrinsic as well as extrinsic proteins.
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while there are many similarities between bacteria and archaea, recognition of their differences resulted in them being sorted into entirely different
While there are many similarities between bacteria and archaea, recognition of their differences resulted in them being sorted into entirely different taxa.
Archaea is a different domain in the Woese classification. The members of Archaea are also called the extremophiles. This is because they are found in extreme habitats like the hot spring, salty waterbodies or regions where methane gas is produced.
Taxa is defined as the rank or level of classification, Organisms of the same taxa are of similar type having the same preferences, habitat, food habits, etc. There are 7 taxa in the biological classification. These are: Kingdom, Phylum/Division, Class, Order, Family, Genus, and Species.
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One of the primary benefits of using a numeric model to represent an environmental system is that ______.
One of the primary benefits of using a numeric model to represent an environmental system is that different variables can be modified without actually destroying anything.
What is an environmental model system?An environmental model system is any type of model used to describe the characteristic of the environment and thus predict outcomes without making any type of experiments that might alter the ecosystem.
In conclusion, one of the primary benefits of using a numeric model to represent an environmental system is that different variables can be modified without actually destroying anything.
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Suppose a developer proposes to clear-cut a forest that serves as a corridor between two parks. To compensate, the developer also proposes to add the same area of forest to one of the parks. As a professional ecologist, how might you argue for retaining the corridor?
To compensate, the developer also proposes to add the same area of forest to one of the parks. As a professional ecologist
A habitat connecting wildlife populations in forest that are divided by human activities or constructions is known as a wildlife corridor, habitat corridor, or green corridor (such as roads, development, or logging). As a result, the detrimental effects of inbreeding and decreased genetic diversity (via genetic drift), which frequently occur within isolated populations, may be avoided. Additionally, corridors might make it easier for populations to repopulate after being diminished or exterminated by chance occurrences (such as fires or disease). so its important to save forest
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Are all sources we find on the internet credible sources?
Answer:
No . not all sources are credible on the internet because the internet is not always right and the internet is open for any answer from anybody no matter the source
Answer:
NoNot every source you find on the internet will be credible because it could be plagiarized, outdated, or even contain viruses that will harm your computer. Never trust just any source you find online. Ever.
Hope this helps!
What holds the atoms together in a crystal of magnesium chloride MgCl₂ ?
Ionic bond hold the atoms together in a crystal of magnesium chloride MgCl2.
What is ionic bond?The electrical attraction between two ions with opposing charges in a chemical molecule creates an ionic bond, also known as an electrovalent bond. One atom's valence (outermost) electrons are permanently transferred to another atom to create this type of bond. Ions (cations) are negatively charged when an atom obtains electrons while ions (cations) are positively charged when an atom loses electrons (anion). Ionic bonds are briefly discussed after that. See chemical bonding for a thorough treatment. developing ionic bonds.
Ionic bond holds Magnesium chloride .
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Suppose a new fishery is discovered, and you are put in charge of developing it sustainably. What ecological data might you want on the fish population? What criteria would you apply for the fishery's development?
You would need to know the population's size and average reproduction rate, at the very least. You would aim for a harvest rate that maximizes the fishery's catch over the long term rather than the short term in order to develop the fishery sustainably.
Development of fishery need
The presence of plankton
Continental Shelves' Nature
Carbon Fixation Rate
Broken or Indented Coastline
Climate of Moderation Topography
skills related to fishery
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It is difficult for molecules to pass through the phospholipid bilayer because.
Because the size and charge of big polar molecules make passage through the nonpolar part of the phospholipid membrane impossible without the assistance of transport proteins. The phospholipid bilayer is made up of two phospholipid layers: one that repels water and one that attracts it.
The hydrophilic (polar) head group and hydrophobic tails of a single phospholipid molecule are visible. Phospholipid bilayers are key components of cell membranes. The lipid bilayer acts as a physical barrier between the cell and chemicals and ions. The cell membrane, on the other hand, plays an important function in facilitating the selective passage of certain molecules into and out of cells.
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Assume that on average one out of every 10⁵ athrm B cells in the body is specific for antigen A on day 16 and that the number of B cells producing a specific antibody is proportional to the concentration of that antibody. What would you predict is the frequency of B cells specific for antigen A on day 36?
According to the given graph On day 36, the frequency of B-cells would be approximately 5×10³ cells.
Describe an antigen:A molecule, chemical structure, foreign particle, pollen grain, or any other substance that can attach to a particular antibody or T-cell receptor is called an antigen. An immunological reaction may be brought on by the presence of antigens in the body.
What three types of antigens are there?Exogenous (foreign to the host immune system), endogenous (made by internal bacteria and viruses reproducing inside a host cell), and autoantigens are the three basic methods to describe antigen (produced by the host)
How is antigen produced?The antigen may come from the body itself (self-protein) or from the environment ("non-self"). Due to negative selection of T cells in the thymus and B cells in the bone marrow, the immune system recognizes and kills "non-self" external antigens but typically does not respond to self-protein.
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What is the process whereby the structure and function of brain cells change in response to trauma, damage, or even learning?
Neuroplasticity is the process whereby the structure and function of brain cells change in response to trauma, damage, or even learning.
In the field of biology, neuroplasticity can be defined as the exceptional quality of the brain to rearrange its neural network in order to adapt to changes such as trauma, damage, or even learning. These structure and function changes in the brain are a sign of adaptation.
Neuroplasticity helps the brain to respond and cope with changing conditions. The activities in the neurons present in the brain change as a result of neuroplasticity.
Neuroplasticity occurs most through the developing phases of an individual and can even be observed in adults.
The presence of the neuroplasticity feature in the brains makes researchers realize that the brain of an individual keeps developing with time.
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_____ can be calculated by multiplying the percent grade and the distance the belt travels.
Vertical displacement can be calculated by multiplying the percent grade and the distance the belt travels.
What is the distinction between horizontal and vertical displacement?The horizontal displacement of a shot depends upon the initial horizontal speed and the time of travel. The vertical displacement of a shot depends upon its initial vertical velocity, the time, and the acceleration of gravity.
What is the procedure for vertical displacement?
As can be seen in the diagram overhead, the vertical distance falling from rest during each successive second is increasing (i.e., there is a vertical acceleration). It can also be noticed that the vertical displacement tracks the equation above (y = 0.5 • g • t2).
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Give at least three examples of key ecosystem services that nature provides for people.
The three examples of key ecosystem services that nature provides for people plants purify the air and water, microbes break down pollutants, bees pollinate flowers, and tree roots stabilise the soil to stop soil erosion.
Many of the essential services that enable people to live their lives are provided by ecosystems. Plants purify the air and water, microbes break down pollutants, bees pollinate flowers, and tree roots stabilise the soil to stop soil erosion. Together, these processes enable ecosystems to be healthy, sustainable, useful, and adaptable to change.
The advantage offered by ecosystem processes that control natural phenomena is referred to as a regulatory service. Pollination, decay, water filtration, erosion and flood management, carbon sequestration, and climate regulation are all examples of regulating services.
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PLEASE HELP
Which of the following statements describe
situations of passive transport across a cell
membrane?
(Choose all that apply)
Select one or more:
O a. A molecule disperses to create a uniform concentration throughout a solution
O b. A cell removes specific molecules
through a membrane based on size.
O c. A cell uses energy to move
molecules across a membrane from
an area of lower concentration to an
area of higher concentration.
O d. Water is moved across a membrane
to dilute a molecule that is highly
concentrated on the other side.
Answer:
B. A cell removes specific molecules through a membrane based on size.
D. Water is moved across a membrane to dilute a molecule that is highly concentrated on the other side.
Explanation:
The use of the gram stain in microbiology is important because it differentiates.
According to the statement, bacterial cells have many kinds of cell walls.
What is the cell wall?The cell wall, which is located next to the cell membrane, also known as the plasma membrane, is the outer layer of a cell. As was already established, all plant cells as well as those of fungi, bacteria, algae, and some archaea contain a cell wall.
What function does a plant's cell wall?It serves as the plant's initial line of defense against diseases and offers a structural foundation for plant growth. The cell wall must also maintain some flexibility so that it can quickly remodel in response to developmental, biotic, or abiotic stimuli.
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After a heavy rain, earthworms come to the surface. How would you explain this behavior in terms of an earthworm's requirements for gas exchange?
Earthworms need to keep their skin moist for gas exchange but also require air beyond the sticky layer, which is why they come to the surface after a big rain.
The phylum Annelida, which includes terrestrial invertebrates, includes earthworms. While some Annelid species use specialized gills or paired projections called parapodia, many Annelid species breathe through their moist skin. They maintain life by exchanging gas through their skin. Areas of the bodily cavity where this takes place termed the capillary beds.The passive diffusion of gases over a surface is known as gas exchange. Gas exchange takes place when oxygen molecules enter the bloodstream and carbon dioxide molecules are expelled into the atmosphere.Reducing water loss and preserving a moist gas exchange surface are made possible by gas exchange (the lungs). As a result, animals can live in more types of terrestrial settings.Learn more about the Phylum annelida with the help of the given link:
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If a hormone pathway produces a transient response to a stimulus, how would shortening the stimulus duration affect the need for negative feedback?
If a hormone system produces a brief response to a stimulus, shortening the stimulus length will have less of an impact on negative feedback.
Environment changes that can be noticed are known as stimuli. Sensitivity is the capacity of an organism or organ to react to outside stimuli.
When a stimulus is delivered to a sensory receptor via a stimulus transaction, a response is often generated.
A transitory reaction is how a system responds to a brief circumstance. There is a brief emergence of a temporary state. The duration of the inductance and capacitance's charge or discharge is what causes the transient condition.
The output is constant once they are fully configured. The steady-state condition is what we are referring to here.
Feedback is the result of stimulation or activity. Negative feedback is when a piece of a system's output reacts to its input in a way that modifies the outcome. To stabilize or restore internal equilibrium, the approach lowers a system's output.
When the stimulus strength is strong, accuracy and response time are quick; when the stimulus intensity is low, accuracy and response time are slow. The stimulus strength has a substantial impact on efficacy.
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