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ale4655 [162]
3 years ago
11

ANSWER IF YOU ONLY KNOW THE ANSWER- if you use the points just to get points, you'll be reported! :)

Biology
1 answer:
NISA [10]3 years ago
4 0
This is because HIV weakens the immune system and so the body becomes more susceptible to infections or illnesses
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Please help i don’t understand
marissa [1.9K]

Answer:

Explanation:

For question 2 I  think the answer is Endocytosis. 'Exo' means out and 'Endo' means in.

For question 4 I think it's A.

If you have ever played it, think of Agario. The bigger the molicule (or circle), the slower it moves.

I don't know about the others.

Hope this helps :)

6 0
3 years ago
17. Which of the following statements are accurate?
Naddik [55]

Answer:

A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Answer:

A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Neurotransmitter are chemicals that transfer signals between neurons and nerve cells. They control some physical and physiologocal activity such as appetite, food.

Acetycoline is an example of neurotransmitter and it is located in the parasympathetic nervous system. Ligand are substance that form complexes with biomolecule. They serve biological purpose with this biomolecule.

This ligand binds to target site. Neurotransmitter act as ligand by binding to receptor in the postsynaptic neuron and acetycoline a type of neurotransmitter can also serve as ligand they bind to acetycoline receptor on cell surface.

5 0
3 years ago
The spinal cord is part of which nervous system? Question 3 options: 1) sympathetic 2) autonomic 3) parasympathetic 4) central 5
igomit [66]

Answer;

-Central nervous system

Explanation;

-The nervous system consists of two main parts: the central nervous system and the peripheral nervous system: The central nervous system is made up of the brain and spinal cord.

-The central nervous system controls most functions of the body and mind.It controls all parts of the body. It receives and interprets messages from all parts of the body and sends out instructions. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.

-The spinal cord serves as a conduit for signals between the brain and the rest of the body and also controls simple musculoskeletal reflexes without input from the brain.

3 0
3 years ago
Which of the following is not a way in which carbon gases are introduced into the atmosphere? a forest fires b. respiration C. p
frutty [35]

Answer:

C. Photosynthesis

3 0
3 years ago
Read 2 more answers
Examples of latex crops
Leya [2.2K]

Answer:

Plant families that produce copious amounts of latex include:

Euphorb family (Euphorbiaceae),

milkweed family (Asclepiadaceae),

mulberry family (Moraceae),

dogbane family (Apocynaceae), and.

chicory tribe (Lactuceae) of the sunflower family (Asteraceae).

Explanation:

7 0
3 years ago
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