Cell membranes are made of phospholipids to keep the cell's water (cytoplasm) in and everything else out. so your answer would be D <span />
Answer:
I'm pretty sure the answer is A.
Explanation:
RNA is transcribed in the nucleus; after processing, it is transported to the cytoplasm and translated by the ribosome.
Answer:
true, the alternative would be postzygotic barriers.
Explanation:
There is approx 4.7-5.5 liters of blood in his or her vascular system.
