Because it causes the development of antibodies against the acetylcholine receptors of skeletal muscles, myasthenia gravis is an autoimmune condition.
What is an autoimmune disease?The body develops an autoimmune disease and unintentionally targets healthy cells when the natural defense mechanism can't tell the difference between your cells and foreign cells. More than 80 different types of autoimmune diseases exist, and they can affect many different body parts.
What are the top five symptoms of an autoimmune disease?Numerous different tissue types and almost every organ in your body are susceptible to autoimmune disorders. Numerous symptoms, including as discomfort, exhaustion, rashes, nausea, migraines, dizziness, and more, may be brought on by them. The exact ailment determines the specific symptoms.
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Which situations would be most likely to negatively influence teenagers by increasing the risk of underage use of alcohol?
The situations that would be most likely to negatively influence teenagers by increasing the risk of underage use of alcohol are options(a),(b),(d), and (e). seeing advertisements that portray drinking as typically occurring in social settings, being provided alcohol at events by friends, having a history of alcohol misuse, alcoholism, or another addiction in one's family, and an alcoholic parent or parents
Since the developing brain continues to expand until the mid-20s, drinking alcohol as a teenager can dramatically increase the risk of injury to the developing brain. Additionally, it might lead to problems with alcohol in the future. When you drink a lot of alcohol quickly with the intention of becoming inebriated, this is called binge drinking.
Chronic illnesses and other grave issues, such as high blood pressure, heart disease, stroke, liver disease, and digestive issues, can develop over time as a result of heavy alcohol consumption. Cancer of the rectum, liver, colon, mouth, throat, esophagus, and breast. An immune system that is compromised by excessive drinking makes the body a much easier target for disease. Chronic drinkers are more likely than non-drinkers to get illnesses like pneumonia and TB.
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The complete question is:
Which situations would be most likely to negatively influence teenagers by increasing the risk of underage use of alcohol?
seeing advertisements that portray drinking as typically occurring in social settingsbeing provided alcohol at events by palsa partner who contracted an STD while intoxicatedhaving a history of alcohol misuse, alcoholism, or another addiction in one's familyan intoxicated parent or parentsThe metabolic machinery of the cell, highly organized structures that carry out specific functions for the cell are __________.
The highly organized structures that carry out specific functions for the cell are called organelles.
What are organelles?Inside cells, organelles are specialized structures that carry out a variety of tasks. Literally, the phrase refers to "tiny organs." Organelles provide specialized duties to keep a cell alive, just like organs like the heart, liver, stomach, and kidneys serve specific roles to keep an individual alive.
Prokaryotic cells and eukaryotic cells, which are divided into two distinct groups based mostly on the existence of one organelle, the nucleus, are types of cells. Eukaryotic cells have nuclei, but prokaryotic cells do not. The nucleus is a sizable organelle that houses DNA and acts as the brain of the cell. Prokaryotic cells often make up single-cell creatures, whereas eukaryotic cells typically make up multicellular species.
Therefore, organelles are the structures of the cell that carry out its specific functions.
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Scientific evidence indicates that the CO₂ added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO₂ by living trees is thought to make little or no net contribution to reduction of global warming. Why might this be? (Hint: What processes in both living and dead trees produce CO₁ ?)
The consumption of large amounts of CO₂ by living trees is thought to make little or no net contribution to the reduction of global warming due to the process of cellular respiration.
In plants, carbon dioxide is taken in from the atmosphere for the process of photosynthesis to occur. This intake of carbon dioxide is however not enough to reduce the effects of global warming because plants also release carbon dioxide during the process of cellular respiration.
Cellular respiration is the process in which the cells make carbon dioxide and water from glucose and oxygen. ATP is produced as a result of cellular respiration which is the driving force for all activities in a cell. Hence, although trees are consuming carbon dioxide during photosynthesis, they are also releasing carbon dioxide during cellular respiration.
When trees die, the decomposition process also releases carbon dioxide into the atmosphere. Hence, the consumption of carbon dioxide is thought to make little or no contribution to global warming.
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How would the results have differed if proteins carried the genetic information?
In addition to temperature, a terrestrial biome is defined by? i. annual precipitation. ii. distinctive animal species. iii. distinctive plant species.
Biomes are defined according to their climatic patterns (temperature, precipitation) and vegetation structure. Options i and iii. annual precipitation and distinctive plant species.
What is a biome?A biome might be defined as a community at a supercontinental scale.
It is a group of communities from different parts of the world that express the same or very similar physiognomy.
Biomes are defined according to climatic patterns, vegetation structure, and the other forms of life inhabiting them. This is an ecological classification.
The location of a biome is determined by climatic conditions in each region.
Precipitation and humidity levels are significant factors that characterize the biome.
In addition to temperature, a terrestrial biome is defined by
i. annual precipitation.
iii. distinctive plant species.
Option i and iii are correct
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How is the flow of hemolymph through an open circulatory system similar to the flow of water through an outdoor fountain?
Fluid is pushed via a tube and then returned to the pump after accumulating in a pool in both an open circulatory system and a fountain.
What are the circulatory systems' main functions?Wastes are moved by the circulatory system, which also gives cells oxygen and nutrition. Blood is alternately oxygenated and hypoxic by the heart. The three different types of blood vessels are arteries, capillaries, and veins.
Lungs, which function as an internal gas exchange system, help to keep the gas exchange surface wet and reduce water loss. This makes a larger variety of terrestrial environments suitable for animal life. The very branching structure of the bronchial tree results in a large number of tiny alveoli.
It is advantageous because it prevents the moist respiratory epithelial surface from evaporating in the atmosphere.
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Your client has a diagnosis of hypervolemia. what would be an important intervention that you would initiate?
According to the research, the correct option is giving diuretics, and a low-salt diet. If a client has hypervolemia would be an important intervention giving diuretics and a low-salt diet.
What is hypervolemia?It is the abnormal concentration of fluids and solutes in all compartments of the body and is a factor that enhances cardiovascular mortality.
In this sense, it is considered as the excess volume of liquids; due to the abnormal retention of water and sodium in the same proportions in which they usually exist in the extracellular medium.
Therefore, we can conclude that according to the research, the correct option is giving diuretics, and a low-salt diet. If a client has hypervolemia would be an important intervention giving diuretics and a low-salt diet.
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The smallest clade that includes all protists and archaea would also include? fungi only animals and fungi animals only animals, fungi and bacteria bacteria
The smallest clade that includes all protists and archaea would also include animals and fungi.
Why were Archaea and Bacteria grouped together?Archaea and bacteria are the part of the same taxonomic kingdom because they were both are prokaryotic organisms that have no nucleus in their cells but the scientists also discovered in their research that archaea has different molecular structure as compared to bacteria. Clade is a branch that has a single common ancestor and all of its descendants. A cladogram is a diagrams that shows ancestral relationships between different types of organisms. Animals and fungi are also include in one clade because of their similarities.
So we can conclude that the smallest clade that includes all protists and archaea would also include animals and fungi.
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Water moving from a high concentration in the plasma to an area of lower concentration in the kidney tubule is an example of?
Water moving from a high concentration in the plasma to an area of lower concentration in the kidney tubule is an example of osmosis.
What is osmosis?Osmosis is the process in which there is a passive diffusion of water through a semi-permeable membrane where it passes from the most dilute solution to the least dilute. This process occurs without an energy expenditure since it does not require the use of energy-dependent channels for diffusion to take place.
Therefore, we can confirm that water moving from a high concentration in the plasma to an area of lower concentration in the kidney tubule is an example of osmosis.
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Consider a grassland with five trophic levels: grasses, mice, snakes, raccoons, and bobcats. If you released additional bobcats into the grassland, how would grass biomass change if the bottom-up model applied? If the top-down model applied?
If the number of bobcats increased, the number of plants would decrease in bottom-up model but increase in a top-down model.
What is the bottom-up model and top-down model?The bottom-up model refers to the model where changes affect the bottom to the top.
The top-down model is the model in which changes affect the top before the down first.
Considering the grassland with five trophic levels:
grasses,mice,snakes,raccoons, andbobcats.Grass is at the bottom whole bob-cats are at the top.
Using a bottom-down model, if the number of bobcats increased, the number of plants would decrease.
Using a top-down model, if the number of bobcats increased, the number of plants would increase.
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Do germinating seeds just starting to germinate consume oxygen/produce carbon dioxide at a greater rate than seeds?
Yes, the germinating seeds just starting to germinate consume oxygen/produce carbon dioxide at a greater rate than seeds.
Germination is the phenomenon where a seed breaks its dormancy and begins to grow. All the enzymes present inside the seed become active and the outer seed coat starts to rupture. Since the germinating seed needs to grow and develop into a fully grown plant, it need more oxygen and produces more carbon dioxide.
Seeds are the embryonic stage of a plant's life. It consists of stored food reserve, various enzymes that are covered on the outer side by the protective covering called the seed coat.
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Which term best describes the role of the brachioradialis during concentric elbow flexion?
The role of the brachioradialis during concentric elbow flexion is provides pure flexion of the forearm at the elbow.
What is the action role of brachialis during elbow flexion?Brachioradialis is a muscle that is located in the lateral part of the forearm. It consists of radial group of forearm muscles which belong to the superficial layer of muscles of forearm. The brachialis is one of the largest elbow flexors that provides flexion to the forearm at the elbow. It does not provide any rolls inward of the forearm.
So we can conclude that the role of the brachioradialis during concentric elbow flexion is provides pure flexion of the forearm at the elbow.
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Which of the following is needed for cellular respiration to occur?
oxygen
O nitrogen
O carbon dioxide
O water
explain one way in which facilitated diffusion is the same as simple diffusion and one way in which it is different from simple diffusion. quizlet
Facilitated diffusion is similar to simple diffusion in that it consumes no energy and diffuses material along a gradient. Facilitated diffusion differs from simple diffusion in that it necessitates the presence of carrier proteins.
Simple diffusion and assisted diffusion are two forms of passive transport techniques in which molecules are transported across the cell membrane. It leverages natural entropy to shift molecules from higher to lower concentrations until the concentrations are equalized. As a result, no ATP energy is required for molecular movement. Passive transport is classified into four types: osmosis, simple diffusion, assisted diffusion, and filtration. The primary distinction between simple diffusion and facilitated diffusion is that simple diffusion is an unassisted type of diffusion in which a particle moves from a higher concentration to a lower concentration across a membrane, whereas facilitated diffusion is the transport of substances across a biological membrane through a concentration gradient via a carrier molecule.
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Moderate-intensity aerobic activity that noticeably increases heart rate and lasts more than 10 minutes would be equivalent to?
3.0 to 6.0 METs is the equivalent of 10 minutes of moderate-intensity aerobic activity that causes a discernible increase in heart rate.
Your heart rate and degree of perspiration increase when you perform moderately intense aerobic exercise. If you are engaging in a moderate-intensity aerobic activity, you will be able to converse but not sing along to your favorite music.
Exercises that register between 3 and 6 METs are categorized as moderate-intensity aerobic activities because they get your heart rate up enough to burn between three and six times as much energy per minute as you would if you were to remain still.
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A common starting point for scientists who seek to learn new things is a(n) __________ .
A common starting point for scientists who seek to learn new things is observation.
What is the role of observation in science?Science depends heavily on observation. Through observation, scientists collect evidence that enables them to develop and later test theories and hypotheses. Using their own senses or tools to improve their vision or hearing, such as microscopes, scanners, or transmitters, scientists can observe in a variety of ways. These tools allow for more exact and accurate observations. Instruments are also used by scientists to track intangible phenomena like pH or radiation.
How do scientists make new discoveries?By presenting observational data and making an effort to form a preliminary, rough knowledge of a phenomenon, discovery is produced. A five-sigma degree of certainty is the generally accepted definition of a discovery in the field of particle physics.
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which domain contains common types of bacteria that may be found in the soil, in water, and inside the human body?
The domain bacteria contains common types of bacteria that may be found in the soil, in water, and inside the human body.
In the field of science, bacteria can be described as small microorganisms that are found everywhere. Bacteria are prokaryotic organisms and are unicellular. They lack a well-defined nucleus and other membrane-bound organelles. The genetic material of bacteria is found suspended in the nucleoid region of the cytoplasm.
Bacteria are found in every place in the earth, they are present in the soil where they help in the uptake of minerals by the plants, and they are present in water as well. A variety of different bacteria inhabit the body of humans and are referred to as the microbiota.
There are certain bacteria that are helpful in many ways, whereas there are others that cause serious diseases.
Although a part of your question is missing, you might be referring to this question:
Which domain contains common types of bacteria that may be found in the soil, in water, and inside the human body?
Archaea
Bacteria
Eukarya
Protista
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what is sugma and ligma
The sugma and ligma are the rare diseases cause by the bofa family viruses.
Sugma and Ligma are both diseases and are related to each other where LIGMA is also known as loose internal gene miaasintits and this is the second stage od BOFA which is biologically offset farkowonian asintits and this diseases interferes with the immune system and it increases the risk of having tuberculosis and if in LIGMA a person enter the BOFA stage it is considered as last treatable stage and due to highly weakened immune system the people are most likely to die at this stage but still there is one treatment suggested n this case called as LIGMA balls where as SUGMA is the rarest antibiotic strain resistant of LIGMA virus and this sugma is non lethal but is contagious and can spread very fast and its great prevention is by awareness of BOFA family viruses s sugma strain can be transferred via both verbal and virtual communication and as it is a rare disease so the cure are not there as the most difficult part is the virus detection in these disease as by the time the virus is detected it has already used and lysed the host machinery cells and eventually these disease leads to death of the host.To know more about sugma and ligma click at https://brainly.com/question/1228921
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Properties of the cell membrane
How does a morphogen gradient differ from cytoplasmic determinants and inductive interactions with regard to the set of cells it affects (see Concept 18.4) ?
Morphogen gradients work by varying the amount of a determinant to designate cell fates among a field of cells. Thus, morphogen gradients have a wider range of effects than cytoplasmic factors or inductive connections between cell pairs.
Morphogens are chemicals that create a dose-dependent, graded distribution and cause different biological reactions.
They serve to convey positional information to individual cells within a field, which is then processed to produce spatial patterns. Intracellular components that create a concentration gradient by cytoplasmic diffusion can make up morphogens.
A field of cells is covered by an extracellular gradient created by secreted proteins, which is what morphogens are most frequently made of.
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How does the average number of drops required to break open a whelk depend on platform height for a drop of 5 meters or less? For drops of more than 5 meters?
With increased drop height, fewer drops are necessary.
Which of the following best illustrates how an inhibitory signal affects the potential of a neuronal membrane?The membrane becomes hyperpolarized by inhibitory impulses, further degrading the membrane potential.
The distribution of biomes is influenced by latitude and altitude, which have an impact on precipitation and temperature.
Competition is considered to exist when several species compete for the same scarce resource. Members of the same species might engage in a competitive manner.
Terrestrial biomes are defined chiefly by the type of plant that predominates in them, which is mostly influenced by temperature and precipitation.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
A: Cytoplasm
Explanation:
An example of secondary succession is:_____.
a. crabgrass colonizing an abandoned wheat field.
b. grasses colonizing sand dunes.
c. lichens colonizing a rock.
d. weeds colonizing a volcanic lava flow.
An example of secondary succession is (a) crabgrass colonizing an abandoned wheat field.
Secondary succession is the phenomenon where the establishment of life takes place again because the climax community of the early succession was removed. However, the essential conditions for life are still present in the area where succession takes place. The time taken to establish secondary succession is less than the primary succession.
Crabgrass are the grasses, scientifically known as Digitaria. Their native habitat is the warm and tropical temperate regions. It is an annual plant that lives only for one year and then dies. The crabgrass can be of two types: smooth crabgrass and hairy crabgrass.
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Which substance is an inorganic molecule made during photosynthesis?
O
A. C6H1206
B. 02 A
OC. NADPH
OD. CO₂
Answer:
it is carbon from carbon dioxide
Explanation:
it can be incorporated into organic molecule
Utilizing light, plants use photosynthesis to convert the inorganic chemicals carbon dioxide and water into glucose, hence option D is correct.
How, an inorganic molecule made during photosynthesis?Energy is needed to power the chemical reaction in photosynthesis. A reaction that is endothermic is photosynthesis. This indicates that without energy, it cannot happen (from the Sun).
Photosynthesis is a process used by all green plants and a few other autotrophic organisms to create nutrition from carbon dioxide, water, and sunlight. Oxygen is a byproduct of the photosynthesis process.
Plants and other creatures employ a process called photosynthesis to transfer light energy, typically from the Sun, into chemical energy that can then be released to power the organism's activities (energy transformation).
Therefore, option D is correct.
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Particles in a liquid have _____ movement than particles in a solid.
Group of answer choices
a more orderly arrangement
more movement
less movement
Explain a technique that can be used to distinguish between simple and compound leaves. Define all scientific terms that you use.
A technique that can be used to distinguish between simple and compound leaves is the pattern of incisions on the leaves of the plant.
Incisions are cuts into the soft tissue of the leaf. If the incisions on the leaf did not touch the midrib of the leaf, it is called as simple leaf. Midrib is the large vein that is visible in the middle of the leaf.
The compound leaf is one in which the incisions or cuts touch the midrib and the leaf would be divided into several leaflets. Leaflet is a part of compound leaf with leaf like structure.
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Which of the following is common to the development of both birds and mammals? a. holoblastic cleavage b. epiblast and hypoblast c. trophoblast d. gray crescent
Epiblast and Hypoblast are common in the development of both birds and mammals.
Hypoblast is the second layer of the embryonic disc that creates the yolk sac, Epiblast is one of the two layers that creates the three basic germ layers (ectoderm, definitive endoderm, and mesoderm), amnionic ectoderm, and extraembryonic mesoderm.
The embryonic disc is made up of two parts: epiblast and hypoblast.
The epiblast and hypoblast are formed by layering the core cell mass. As a result, the inner cell mass gives rise to the epiblast and hypoblast.
Additionally, epiblast cells are topped by hypoblast cells.
Both layers are formed before implantation and gastrulation.
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What is the total number of pots used in this experiment, and how many plants received each soil treatment? Explain why multiple pots and plants were used for each treatment.
Replicas are repetitions of the basic experiment to get better and more reliable results. 1) 20 pods. 2) 32 plants. 3) By using replicas the researcher gets more representative results, and the experiment is more reliable.
What is a replica in an experiment?When talking about replicas in an experiment, we refer to the repetition of the most simple basic element.
Having several replicas in an experiment let the researcher to get more precise results and obtain a better estimation of the experimental error.
The greater the numer of replicas the researcher includes in the experiment, the better and more precise will be the results.
In the exposed example,
Number of treatments: 5Number of pods per treatment: 4 (which means that 4 pods received the same type of soil).Number of plants per pod: 5 (which means that 20 plants grew in the same type of soil).1) What is the total number of pots used in this experiment?
Twenty pods in total. Four pods per soil treatment (4 x 5 = 20)
2) How many plants received each soil treatment?
Thirty two plants per treatment. Eight plant per pod (8 x 4 = 32)
3) Why multiple pots and plants were used for each treatment?
Because it provides more reliability to the experiment. These are replicas. They let the researcher know if the result at any of the pods was due to other factors or random chances. Using several pods per treatment increases the chances of getting real results. In this way, results are more representative of what really occurs in nature.
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Complete question,
The rhizosphere, the soil layer surrounding plant roots, is a complex community in which archaea, bacteria, fungi, and plants interact with one another.
After plants are attacked by fungal or bacterial pathogens, soil from the rhizosphere may protect plants from future attacks. Such protective soil is called disease-suppressive.
Researchers investigated whether microorganisms were responsible for the protective effects of disease-suppressive soils.
Disease-suppressive soil was obtained from an agricultural field in the Netherlands in which sugar beet crops had previously been attacked by a fungal pathogen, Rhizoctonia solani. Other soil was collected from the margin of the field.The researchers predicted that soil from the margin would not offer protection against pathogens.
The researchers then planted and raised sugar beets in greenhouses, using 5 different soil treatments,
each soil treatment was applied to 4 pots, and each pot contained 8 plants.The pots were inoculated with Rhizoctonia solani and placed in greenhouses kept at 20degree C with a 16-hour light: 8-hour dark cycle.
After 20 days, researchers determined the percentage of infected sugar beet seedlings for each soil treatment.
Complete each statement by choosing the correct answer from the drop-down menu. is a result of the kidneys not being able to properly regulate or remove acids in the blood. when the lungs are not able to function at their normal speed, can occur.
Acidosis is the inability of the kidneys not being able to regulate or remove acids in the blood. When the lungs are not able to function at their normal speed, respiratory acidosis can occur.
Acidosis is caused by an overproduction of acid that builds up in the blood or an excessive loss of bicarbonate from the blood (metabolic acidosis) or a buildup of carbon dioxide in the blood that results from poor lung function or depressed breathing (respiratory acidosis).
Acidity and alkalinity are expressed on the pH scale, which ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood acidity increases when people ingest substances that contain or produce acid or when the lungs do not expel enough carbon dioxide.
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Consider a portion of a gene that contains 48 nucleotides. how many amino acids will be coded for by this section of the gene?
The portion of a gene that contains 48 nucleotides can synthesize 16 different amino acids of a given polypeptide chain.
What is a codon?A genetic codon is a sequence of three consecutive nucleotides in a gene that specifies a given amino acid after transcription to mRNA and the translation in the ribosomes.
There are 20 different amino acids which can be codified by 64 different nucleotide codons (which represent triplets of nucleotides), it is for that reason that the genetic code is said to be degenerate.
In conclusion, the portion of a gene that contains 48 nucleotides can synthesize 16 different amino acids of a given polypeptide chain.
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