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Hatshy [7]
3 years ago
7

How does the response to acetylcholine in the presence of nifedipine compare to the response to acetylcholine without nifedipine

? what response is there to nifedipine by itself (if any)?
Biology
1 answer:
Paladinen [302]3 years ago
4 0
<span>Nicotinic acetylcholine receptors (nAChR), are <span>ligand-gated ion channels and they can be a Na+, K+ and Ca2+ ion channel. Since nifedipine is a Ca2+ channel blocker (Ca2+ channel antagonist), it might inhibit the response of acetylcholine (if its receptor is Ca channel).</span></span>
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Many scientists claim plants are more complex than animals based on the differences in plant and animal cells. What evidence can
gayaneshka [121]

The plant cells are more complex because it has more structures like the cell wall and chloroplast.

Plant cells can be larger than animal cells. The normal range for an animal cell varies from 10 to 30 micrometers while that for a plant cell stretches from 10 to 100 micrometers. Beyond size, the main structural differences between plant and animal cells lie in a few additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles.

Hope this helps.

7 0
3 years ago
What are the function of the ribosomes?
ELEN [110]
Synthesize proteins!
4 0
3 years ago
Read 2 more answers
What is the difference between free and attached ribosomes? what is the difference between free and attached ribosomes? free rib
Blizzard [7]

The correct answer is: Free ribosomes are located in the cytoplasm, whereas attached ribosomes are embedded on the endoplasmic reticulum.


<span>Free ribosomes produce proteins which are released into the cytosol and used within the cell. On the other hand, attached (membrane-bound) ribosomes synthesize proteins that are needed within the plasma membrane or are released from the cell. The newly synthesized polypeptide chains are inserted directly into the endoplasmic reticulum by the attached ribosome and are then transported to their destinations where they will be secreted. </span>

7 0
4 years ago
What separates rabbits/primate from the crocodiles on this cladogram?
Greeley [361]

Answer:

eggs with shells

Explanation:

Crocs lay eggs and rabbits dont.

5 0
3 years ago
How might biotic and abiotic factors have affected the tortoises that Darwin observed on the Islands
dsp73

Answer:

Some Abiotic factors are water, soil, light, temperature. These are non-living things that the tortoises will interact with in the enviornment. These can affect them for example if there is an abundance of water and light then the tortoise population can expand. However if there is too little or too much of these factors then the population will decrease. Biotic factors are plants, animals, bacteria and Protists. These are the living things the tortoises will interact with in the enviornment. Biotic factors can affect them for example if there are too many preditor animals for the tortoises, then their population will be very low and a lot of them will die.

Explanation:

4 0
3 years ago
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