once a neurotransmitter binds to a post-synaptic receptor, it remains bound until an antagonist chemical replaces it. true or false?
Answers
Answer: tru
Explanation:
Once a neurotransmitter binds to a post-synaptic receptor, it remains bound until an antagonist chemical replaces it. The statement is false.
When a neurotransmitter binds to a post-synaptic receptor, it does not necessarily remain bound until an antagonist chemical replaces it. Neurotransmitters can also be removed through reuptake, where the presynaptic neuron takes them back, or through enzyme degradation, where enzymes break down the neurotransmitter into inactive metabolites. These processes help regulate neurotransmitter levels and prevent overstimulation of the post-synaptic receptor.
To know more about Neurotransmitter and post-synaptic receptor visit https://brainly.com/question/840056
#SPJ11
Related Questions
Which of the Hardy-Weinberg conditions are usually valid for most populations?
Answers
The Hardy-Weinberg equilibrium consists of five conditions that must be met in order for the frequency of alleles in a population to remain constant from generation to generation.
What are the Hardy-Weinberg conditions ?These conditions are:
Large population size: The population must be large enough to prevent the effects of genetic drift.No mutations: There must be no mutations that alter the frequency of alleles in the population.No gene flow: There must be no migration into or out of the population, which would bring in new alleles.No selection: There must be no natural selection favoring or eliminating certain alleles.Random mating: There must be random mating, meaning that individuals mate with each other based on chance rather than preference.Of these conditions, it is generally difficult to meet all of them in real populations, as most populations are subject to some form of genetic drift, mutation, gene flow, selection, or non-random mating. Therefore, it can be argued that none of the Hardy-Weinberg conditions are usually valid for most populations.
Learn more on Hardy-Weinberg conditions here: https://brainly.com/question/25615323
#SPJ1
Jocelyn Smith is an excellent singer. In fact, she has a band called Jocelyn Smith and
Friends that play often on the local music scene. She has a gig in two days at the County Fair where several talent scouts will be present. Jocelyn feels this may be her big break.
She wakes up two days before her event with what feels like a head cold. You know the symptoms—cough, runny nose, headache, chills, and muscle aches. As the day progresses, Jocelyn begins to feel worse. The day before her gig she wakes with a fever of 103˚F, a severe sore throat, and all of the same symptoms as yesterday.
Our job is to discover why Jocelyn is feeling so ill. Is it because of the infectious agent or is it her own body that is making her sick? To discover the answer, we will go through the steps of the immune response.
We will assume that Jocelyn has Influenza A virus.
Upon initial infection, the innate immune system responds with _______.This process involves the infected area of the body becoming very warm. The warmth comes from physiologic responses that are triggered to combat the infection. When a breech occurs in the physical barriers of the body (i.e. skin or mucus membranes), the innate immune response follows a set of steps to contain the infection.
Step 1. Increase the amount of white blood cells that will get to the area of infection.
How can this be done?
What physiologic response, if increased, will allow more white blood cells to get to the area of infection?
Step 2. Now that the cells are at the site of infection, they need to migrate to the specific area. We increased heart rate to get the cells to the area (by pumping the heart faster, more white blood cells will be able to get to the site of infection faster through the vasculature).
How do cells get out of the vessels?
Step 3. The cells that were initially infected are releasing immune chemicals called chemokines. These specialized immune chemicals are designed to create a trail for white blood cells to follow. The greatest concentration of these chemokines are at the site of infection and the concentration tapers off as the molecules move to the vessels.
Using this information, how do you think white blood cells move to the site of infection?
Answers
The innate immune response helps recruit and direct white blood cells to the site of infection, allowing them to combat the infectious agent and initiate the immune response.
The innate immune system inflames upon infection. This procedure heats the diseased region. When the skin or mucus membranes break, the innate immune response kicks in to confine the infection.
Step 1: Increase white blood cell flow to the infection.
Increase blood flow to the diseased region. Blood flow brings additional white blood cells to the infection location. Vasodilation—widening blood vessels—can improve blood flow.
Step 2: Cells must move from vessels to the target.
Diapedesis (extravasation) lets cells leave blood arteries. White blood cells enter contaminated tissue through blood vessel walls.
Step 3: Chemokines guide white blood cells to the infection. Chemokines secreted by infected cells form a gradient with the highest concentration near the infection site. White blood cells follow this gradient to the infection site.
Learn more about innate immunity, here:
https://brainly.com/question/31207013
#SPJ12
Learning goal 1: Which of the following are examples of predator-
prey relationships?
A bear catches and eats salmon from a river
A lion hunts and eats an antelope
Two hyenas fight over the dead remains of a zebra
Cleaner fish eat the dead skin from a shark
This food web illustrates the relationshins in a New Zeal
Answers
Answer:
lion hunts and eat an antelope
the _____ hypothesis states that long term environmental unpredictability led to morphological and behavioral adaptations. group of answer choices a. savannah b. turnover c. pulse variability d. selection aridity
Answers
The hypothesis that states long-term environmental unpredictability led to hypothesis and behavioral adaptations is: Turnover
The hypothesis suggests that environmental changes due to climate or other factors cause species to respond to the change by undergoing evolutionary adaptations to become more adapted to the new conditions. This can result in increased diversity of species or increased survival rates in a given area.
The hypothesis is based on the idea that some species are better suited to survive certain changes than others, allowing them to survive and thrive in a given environment. The hypothesis is supported by evidence that shows species in more unpredictable environments tend to have higher diversity levels than those in more stable ones.
In summary, the Turnover Hypothesis suggests that long-term environmental unpredictability leads to evolutionary adaptations and selection aridity, which can result in increased species diversity and increased survival rates in a given area.
To know more about the hypothesis refer here:
https://brainly.com/question/17173491#
#SPJ11
The nurse provides discharge teaching to a client who has received prescriptions for digoxin (Lanoxin), furosemide (Lasix), and a 2-gram sodium diet. The nurse evaluates that further teaching is needed when the client states:
Answers
The client has a need for further teaching when he/she says "I can consume a lot of green, leafy vegetables in my diet" after the nurse provides discharge teaching to a client who has received prescriptions for digoxin (Lanoxin), furosemide (Lasix), and a 2-gram sodium diet.
Digoxin is a cardiac glycoside that strengthens heart muscle contractions and slows the heart rate by lowering the number of signals sent to the AV node (atrioventricular node) from the SA node (sinoatrial node) in the heart's electrical conduction system.
Digoxin is most often used to treat atrial fibrillation, atrial flutter, and heart failure.
Furosemide is a loop diuretic that prevents the absorption of salt and water by the kidneys, causing an increase in urine output. This medication is used to treat fluid retention (edema) caused by heart failure, kidney disease, or liver disease, as well as hypertension.
Thus, the nurse evaluates that further teaching is needed when the client states: " I can consume a lot of green, leafy vegetables in my diet " .
To learn more about Digoxin :
https://brainly.com/question/13033888
#SPJ11
If a normal plant were put in a dark room , why would the Calvin cycle eventually stop ?
Answers
Answer:
it would stop eventually because ATP and NADPH are needed in the calvin cycle for energy. you need light to make ATP and NADPH
Explanation:
11. Dark green snake plant leaves are the dominant trait over yellow snake plant leaves. If a
homozygous recessive plant was crossed with a heterozygous plant, create a Punnett
Square to show the possible outcomes of the offspring (4 points).
Answers
Answer:
In the photo, I apologize for the Russian language, I'm just from Kazakhstan, but I wrote some in English
the formation and convergence of the primate eye orbits is associated with: a) nocturnal vision. b) stereoscopic vision. c) increased olfaction. d) loss of a tail in all anthropoid
Answers
The formation and convergence of the primate eye orbits is associated with stereoscopic vision.
B is the correct answer.
The term "stereoscopic vision" describes how two human eyes can simultaneously perceive the world in three dimensions. To be able to observe the same object differently, the eyes must be healthy and coordinated in their movements.
Humans can now interpret distance which also helps them develop a real sense of depth perception. Retinal disparity, which occurs in both people and animals, describes how each eye perceives images slightly differently. This makes it possible for the brain to comprehend images without any movement.
It is created by matching up complementary copies of various pictures, then computing the disparity between the two images' retinas. The end result is the most accurate picture that can be obtained of the ambient depth perception, though the disparity thus obtained varies by a very small margin.
To know more about stereoscopic vision visit:
https://brainly.com/question/28139541
#SPJ4
In pea plants, purple flowers are dominant over white flowers. Two plants, both heterozygous for the gene that controls flower color, are crossed. What percentage of their offspring will have purple flowers?
a. All or 100%
b. 3/4 or 75%
c. 1/2 or 50%
d. 1/4 or 25%
e. none or 0%
Answers
In the given question, the allele for dominant trait is dominant to white flower. Then all the progeny will be white therefore 100% is the correct answer.
Answer:
b .75%
Explanation:
If you do a genetic croas or punnet square , you will find that the genotype of the filial generation is : Pp, PP , Pp ,Pp and pp.
if purple is (P) dominant
if white is (p) recessive
the ratio of purple : white
=. 3:1
thefore 3/4 chances
Hey everyone I need some help. Base your answer to the following question on the diagrams below which represents two different cells. In both cells, the organelles labeled E are the sites of
A) Secretion
B) Starch Synthesis
C) Food Storage
D) Aerobic Respiration/ Production of ATP
Answers
Answer:
aerobics respiration or production of ATP
After the cell cycle was discovered, scientists found a protein that regulates the cycle. They have since found many more proteins involved in the regulatory process. Scientists are using this information to learn more about cancer. Which phrase describes cancer a. Uncontrolled cell growth b. Bent and twisted red blood cells c. An abnormal number of chromosomes d. Lipid accumulation in brain cells
Answers
Answer:
a. Uncontrolled cell growth
Explanation:
Cancer is an irregularity that occurs when cells mutate in a harmful way. This causes abnormal cell growth that is uncontrollable. These cell growths become tumors that, based on the type, may or may not spread to other parts of the body.
Answer:
A. Uncontrolled cell growth
Explanation:
When cancer enters the body, the cells divide rapidly and without a stop, and it also destroys your body tissue.
2. The scientist hypothesized that the mold must be producing a chemical that killed the bacteria. He decided to isolate this substance and test it to see if it would kill bacteria. He transferred the mold to a nutrient broth solution. This solution contained all the materials the mold needed to grow. After the mold grew, he removed it from the nutrient broth and then added the broth to a culture of bacteria. He observed that the bacteria in the culture died. His experiments were later used to develop antibiotics.
Write an "If...then..." hypothesis that reflects Fleming's experiment.
Answer using one complete sentence.
Answers
Answer:
IF mold is added to a bacteria culture, THEN the mold will produce a chemical that will kill the bacteria.
Explanation:
A hypothesis is a testable explanation to an observed problem. A possible solution or possible answer given to a question or problem, which can be tested via experimentation is referred to as HYPOTHESIS. The hypothesis is usually written in an IF, THEN format.
According to this question, a scientist (identified to be Fleming) hypothesized that the mold must be producing a chemical that killed the bacteria and tested it by setting up an experiment whose result turned out to support his hypothetical claim.
Therefore, his hypothesis in an IF, THEN statement is:
IF mold is added to a bacteria culture, THEN the mold will produce a chemical that will kill the bacteria.
what is basic ?
plzz answer
Answers
Answer: of, relating to, or forming the base or essence : fundamental basic truths. b : concerned with fundamental scientific principles
Explanation:
What kingdoms are Protist's NOT part of?
Answers
Answer:
Eukaryote; isn't a plant animal, or fungus
Explanation:
Because Protist has many organisms that are related to the other kingdoms of animals, plants, and fungi. Protists is a word that is know used as a "eukaryote that isn't a plant, animal, or fungus."
What would you do if you crossed a person who has wavy hair (Hh) with a person who has curly hair(HH)
Answers
If you crossed a person who has wavy hair (Hh) with a person who has curly hair (HH), the resulting offspring would have a 50% chance of inheriting curly hair (Hh) and a 50% chance of inheriting wavy hair (hh).
Hair texture is determined by genetic factors, with curly hair being dominant over wavy hair. The person with curly hair (HH) has two copies of the dominant allele, while the person with wavy hair (Hh) has one dominant and one recessive allele. When these individuals reproduce, their offspring will inherit one allele from each parent.
Thus, there is a 50% chance that the offspring will inherit the dominant H allele from the curly-haired parent and have curly hair, and a 50% chance of inheriting the recessive h allele from the wavy-haired parent and having wavy hair. Since the dominant H allele is always expressed over the recessive h allele, none of the offspring will have straight hair (hh).
Learn More about genetics
https://brainly.com/question/12111570
#SPJ4
Organic material in soil contain a substance called humus humus is defined as
A dark organic matter that form when plant and animal
B dark organic matter that forms from granites
C dark organic matter that froms from sand
Answers
How do the cells of a multicellular organism differ from those of a unicellular organism?
O They never replicate.
O They are specialized.
They are all the same.
O They perform all functions.
Answers
Answer:
B: They are specialized
Explanation:
Multicellular organisms contain specialized cells which can perform more functions than unicellular organisms.
When a cold front passes your location, the temperature drops rapidly. What happens to the air density? uncertain increases decreases remains constant.
Answers
Answer:
It increases
Explanation:
hope this helps
Answer: decreases
Explanation: when there is hot air, density rises
if the culture used to inoculate the biochemical tests in the previous question was contaminated with a second organisms, how would this effect the results?
Answers
It would not be possible to identify the organisms using those biochemical test results.
Biochemical tests are those that are carried out on various bacteria in order to identify them based on their biochemical reactions with various biochemical compounds. examples of biochemical tests are
Catalase Test.Mannitol Salt Agar (MSA)Blood Agar Plates (BAP)Streak-stab technique.Taxos P (optochin sensitivity testing)Taxos A (bacitracin sensitivity testing)CAMP Test.Bile Esculin Agar.A battery of blood tests known as the biochemical profile are used to assess the ability of many vital organs and systems, including the liver and kidneys, to function. These tests can be performed on an empty stomach or not, and a complete blood count is typically included (CBC). Thus answer are biochemical test findings couldn't be used to identify the organisms.
Learn more about biochemical tests to visit this link
https://brainly.com/question/29487233
#SPJ4
Smelts are the primary food source for lake trout and salmon in Moosehead. In the late 1980s, we documented a dramatic increase in the abundance of wild lake trout in Moosehead Lake. Swelling lake trout numbers taxed the forage base and the smelt population took a dive. What was the result of depletion of the smelt population? Choose all that apply.
A) salmon populations declined
B) all three populations increased
C) all three populations would decrease
D) growth rates of both lake trout and salmon suffered
E) salmon population would decrease but the others would remain unchanged
Answers
Answer:A and D
Explanation: trust me don’t put c
In the late 1980s, a dramatic increase in the abundance of wild lake trout decimated the salmon population. The salmon population declined the most in the late 1980s. Option A is the correct answer.
What is the prey-predator relationship?
In an ecosystem, there are predators and prey. If the predator population grows, they will consume more prey more quickly, causing the prey population to decline rapidly. When there are more prey in an ecosystem, it would be advantageous for the predator, and after some time, the prey will decrease in number and the predator will increase.
Salmon, mouth bass, and lake trout feed on smelt in the lake. Lake trout populations increased in the late 1980s, and as a result, they began feeding on smelt. The other two predators were also affected. The salmon population declined for some time, but later their number increased too. The mouth bass population got affected a lot, and their number kept on declining. The other two species chose different prey and multiplied.
Hence, for some time, the salmon population declined. Option A is correct.
Learn more about the prey predator relationship, here
https://brainly.com/question/22122240
#SPJ2
Evaluate Candidate Target Sequences Because the sgRNA sequence determines where Cas9 cuts DNA, it may cut DNA anywhere it encounters a complementary sequence, even in undesired locations. Such unintended cuts are called off-targets. the sgRNA and DNA shown that Cas9 sometimes cuts DNA even when there are mismatches between the potential to be off-target cut sites, means DNA sequences that only partially match the sgRNA have. the potential to be off-target cut sites, although the PAM sequence is still required. In general, the more mismatches there are between a DNA sequence and the sgRNA, the less likely Cas is to cut. 1. Develop three criteria that could be used to rank the candidate target sites according to their as well as the information you considered fresults you have collected in your BLAST search select criteria. For each criterion, explain how the readings and focus questions as you By the cvaluation of the con it will help you evaluate a potential target site. these criterias, researchers are atidate target sites basedion effective sites for theraputir able to select the Safest and risies of unintended mutations use. This can help minimice the benefits of genome editing and other effects. While marimizi and other diseases. 2. Use your criteria to evaluate and rank the candidate target sites you selected in Part 1, step 3. Write a claim about which candidate target site is the best option for your therapeutic application, based on your evaluation, and provide reasoning.
Answers
Three criteria can be used to rank candidate target sites for therapeutic use:
number of mismatches between the sgRNA and DNA sequence, proximity to genes,and presence of regulatory elements. Why is this so ?Target site 1 is the best option for therapeutic use because it has only one mismatch between the sgRNA and DNA sequence, is located near a regulatory element,and is likely to be effective in treating the disease.
Note that regulatory elements are sequences of DNA that control the expression of genes. They can be used to turn genes on or off, or to control the amount of protein that is produced from a gene.
Learn more about sgRNA :
https://brainly.com/question/29676052
#SPJ1
Who’s know stuff about child development?
Answers
The child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.
What is the role of the medical staff?The medical field employs a variety of personnel, including doctors, experts, nurses, caregivers, and others, but the doctor and nurse roles are directly related to patients. They take care of patients of different types, such as those with minor to major health issues.
Hence, the child development stuff is well known to the doctors and the nurse, and they advise mothers during the time of the pregnancy to take care of the baby in different ways.
Learn more about the medical staff here.
https://brainly.com/question/29305667
#SPJ1
All living things grow and develop. How are the growth And developments different
Answers
Answer:
Simply, growth and development differs from one organism to another, for example plants are many types and every plant has a method of growth, so not all plants grow in the same way, and the plant differs from animals and animals differ from humans
an element has 6 protons and 6 nuetrons what is its atomic number and its mass number.
Answers
Answer:The number of protons is equal to the atomic number of the element. For this element having 6 protons makes the atomic number 6 and makes the element Carbon. For this element 6 protons and 6 neutrons combine to make an atomic mass of 12 amus.
Explanation:
Answer:
the atomic number is 6 but the mass is 12
Explanation:
If a person did not eat for several days, which sequence of events would occur? Glycogen stores would be depleted first, then structural proteins, and then stored lipids. Lipid stores would be depleted first, then stored glycogen, and then structural proteins. Proteins stores would be depleted first, then stored lipids, and then stored glycogen. Glycogen stores would be depleted first, then stored lipids, and then structural proteins.
Answers
Answer:
The correct answer is "Glycogen stores would be depleted first, then stored lipids, and then structural proteins."
Explanation:
When an individual starts starving, the glycogen store is depleted first because that is the storage form of glucose. After depletion of the glycogen, the body then burns fat reserves in the body which are also good sources of calories. After prolonged period of starvation, the body then converts structural proteins (usually in the form of glucogenic amino acids) into fuels for energy.
It should be noted that NOT all the glycogen are used up immediately because the brain cells and the red blood cells prefer energy from glucose and hence the body reserves some glycogen strictly for them.
Answer:
its d on edge2021
Explanation:
Which phylum of worms has a true circulatory system?NoneAnnelidaPlatyhelminthesNematoda
Answers
Annelida possess a closed circulatory system. They have a muscular pumping hearts. The blood moves through the capillaries to be carried to the cells of the body.
Platyhelminthes does not have a circulatory system. They have limited way to carry oxygen to the rest of the cells of the body.
Nematoda also does not have a circulatory system but possess a complete digestive system. They use diffusion in order to breathe.
Answer - Option 2 - Annelida
Continuous variation is_________
A. A feature that appears randomly.
B. A feature common to particular areas of the world.
C. A feature that can be measured and is given a range of values.
D. A feature that cannot be measured, but is one of a few distinct options.
Answers
Answer:
C A feature that can be measured and is given a range of values.
An uncharged atom of gold has an atomic number of 79 and an atomic mass of 197. This atom has ________ protons, ________ neutrons, and ________ electrons.
A. 79... 118... 79
B. 118... 79... 118
C. 118... 276... 118
D. 79... 34... 79
Answers
Answer:
A
Explanation:
Took the test
what happens to material that is not absorbed by the small intestine?
Answers
Answer:
They are eliminated from the body as wastes.
What type of exercises is a stability ball mainly used for?
A.
Agility
B.
Aerobic
C.
Balance
D.
Pilates
HURRY
Answers
Answer:
C.
Explanation: