Answer:
Answer is microvilli.
Explanation:
Plasma membrane possesses or comprises of channels , made up of proteins , and form openings for certain molecules to diffuse through and into the cell.
The major function of the microvilli is that it increases the surface area of the cell. This activity increases the rate of absorption, secretion and cellular adhesion.
It should be noted that, microvilli are projections or protrusions found on the cellular membrane.
Answer:
muscle cells will become paralyzed when there is a lack of acetylcholine
Explanation:
Based on the information provided within the question it can be said that in this scenario the muscle cells will become paralyzed when there is a lack of acetylcholine. That is because the Acetylcholine (ACh) is an organic chemical within the brain and body that acts as a neurotransmitter to send signals from the brain to the muscle cells. Without those signals the muscle cells cannot respond and are therefore paralyzed.
It can be either diffusion, osmosis or active transport. depending on what is transported and how in which net direction they're moving.
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