Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike prokaryotes, eukaryotic cells also possess internal membranes that encase their organelles and control the exchange of essential cell components. Both types of membranes have a specialized structure that facilitates their gatekeeping function.
Answer:
I believe the answer is D, if I’m wrong please tell me!
it might be a.
Answer:
A. They are synthesized. is the correct answer.
Explanation:
protein synthesis is the method of producing proteins within the cell
In the endoplasmic reticulum on the surface of a rough endoplasmic reticulum, proteins are synthesized.
The rough endoplasmic reticulum is embraced with ribosomes on its external surface and it is involved in protein synthesis.
The protein enters the rough endoplasmic reticulum, by a pore and protein is folded in the rough endoplasmic reticulum, and after that, it is sent to the Golgi apparatus.
<span>The lymph is moved through the lymphatic vessels by contractions of the lymphatic vessels and the surrounding skeletal muscles.</span>