D.All of these is the answer
2 oxygen atoms are your answer
Answer:
If i am not mistaken, that would the the cell membrane, made out of lipids and different proteins.
Answer:
True
Explanation:
Cell membranes are selectively permeable because of the structure of the phospholipid bilayer.
This bilayer only lets certain things in because it depends on the polarity, size, and type of molecule.
For example, glucose molecules are too large to enter. But, carbon dioxide molecules can go in and out easily because of their small size.
Answer: a) plasma membrane
Explanation: