The right answer is cell membrane.
The cell membrane consists of a double layer of phospholipids in which many molecules are inserted. (proteins, glycoproteins, glycophospholipids ...).
This membrane is "dynamic" and renews itself constantly. Its thickness is 7.5 nm.
The cell membrane separates the interior of the cell from the extracellular medium while maintaining communications and exchanges therewith.
Answer:
I think option B and C is correct answer
A.
Explanation:
in DNA, G matches with C and A matches with T. G cannot match with G, A cannot match with A, etc.
a
cyanobacteria
