BIOLOGY HIGH SCHOOL

After you eat, insulin is secreted by pancreatic Beta cells into the bloodstream, where it diffuses throughout the body to bind to receptors on target cells, telling them to take up glucose. This mode of signaling is referred to as _____________.

Answers

Answer 1
Answer:

Endocrine Signaling

Explanation:

  • Signal from the cells which are distantly located are called Endocrine signals.
  • This signaling begin from endocrine cells.
  • These kinds of signals produce a more slow reaction yet have a more drawn out enduring impact. The ligands discharged in endocrine signaling are called hormones, signaling molecules that are delivered in one piece of the body however influence other body areas some distance away.  

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if neurotransmitter x is able to bind to a receptor site of a ligand-gated sodium channel y on a postsynaptic neuron that is capable of becoming desensitized, what is the likely outcome if neurotransmitter x were to remain in the synaptic cleft for a long time (select all that apply)?

Answers

If neurotransmitter x remains in the synaptic cleft for a long time, the following outcomes are possible:

Prolonged depolarization: Continuous binding of the neurotransmitter to the receptor site of the ligand-gated sodium channel can cause prolonged depolarization of the postsynaptic membrane, leading to sustained neuronal signaling.

Desensitization: Prolonged exposure of the receptor site to the neurotransmitter can cause desensitization, where the receptor becomes unresponsive to the neurotransmitter, reducing the strength of the neuronal signal.

Reuptake: The neurotransmitter may be taken back up into the presynaptic neuron through reuptake transporters, reducing the concentration of the neurotransmitter in the synaptic cleft and reducing the strength of the neuronal signal.

Degradation: The neurotransmitter may be degraded by enzymes in the synaptic cleft, reducing the concentration of the neurotransmitter and the strength of the neuronal signal.

To know more about neurotransmitter refer here:

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Why is deforestation in tropical rainforests more devastating to the global environment than deforestation in temperate forests? (Points : 4) most temperate forests are not experiencing deforestation tropical rainforests provide less useable lumber temperate forests do not contribute to the reduction of carbon dioxide tropical rainforests are inhabited by indigenous tribes who are losing their way of life tropical rainforests have much higher biodiversity than temperate forests

Answers

I believe the answer is tropical rain forests have much higher biodiversity than temperate forests. Tropical rain forests usually have a lot of exotic animals and plants life. Temperate forests don't really have a lot of biodiversity compared to the tropical rain forests.

Answer:

tropical rain forests have much higher biodiversity than temperate forests.

Explanation:

A student conducted an experiment to test whether talking to plants would help them to grow faster. The student talked to one group of plants and hand watered them. The student did not talk to the other group of plants and used sprinklers. After three weeks, the plants that were spoken to showed much more growth than the plants that were not. Based on the results of this experiment, which is the best conclusion? a)Talking to plants may or may not help plants grow faster because three weeks is not enough time to tell.
B)Talking to plants may or may not help plants grow faster because the amount of water given was likely different for each group.
c)Talking to plants does not help plants grow faster because the experiment did not involve enough groups of plants to determine this.
D)Talking to plants does help plants grow faster because those plants showed more growth.


which is the best answer to pick hurry have a short amount of time on this test

Answers

Answer:

The correct answer will be option-B.

Explanation:

The student performed the experiment to study the effect of talking to plants on the growth of plants. He wanted to study "talking as an experimental variable".

While experiment he divided the samples into control group as well as the experimental group but he mixed the other variables like watering the plants using various methods-directly or with sprinkles in different amount.

This mixing of variables will cause interference with the conclusion as one will not be able to suggest that the growth pattern in plants is the result of the talking or watering. Also, the amount of water as well as mode of providing water differed in the experimental group.

Thus, Option-B is the correct answer.
The answer is D. Good luck on your test!

Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by _________

Answers

Answer:

The 2nd law

Explanation:

Answer:

The second law of thermodynamics

Explanation:

If you are a hard gainer, take a good look at yourA. eating disorders.
B. exercise program.
C. genetic endowment.
D. weight-gain diet.

Answers

If you are a hard gainer, take a good look at your C. GENETIC ENDOWMENT.

Genetic endowment constitute the things that are passed down from parents and ancestors. These things can be physical characteristics or hereditary health issues. Hereditary issues like allergies or other diseases can be passed down from generation to generation.

Hard gainer is a person who practices body building but finds it challenging to develop musculature regardless of the amount of effort put in. It is often associated with the ectomorph body somatotype.

Ectomorphic somatotype is characterized by linear, thin, usually tall, fragile, lighly muscled, flat chested and delicate physical and psychological trains inherited from parents or ancestors.

Genetic Endowment is Correct

This imaging tool can tell you the speed and direction of blood flow.a.ultrasound
b.CT
c.MRI
d.none of the above

Answers

The correct answer is letter a. Ultrasound. An ultrasound machine allows doctors to study or monitor a patient's internal organs, and it is usually used in pregnant patients to monitor their developing fetus, in this case the ultrasound can also be used to tell a person the speed and direction of his or her's bloodflow, because the ultrasound machine can be used to study a person's heart or blood vessels

Answer:

Ultrasound

Explanation:

Ultrasound is the imaging tool that can tell you the speed and direction of blood flow
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