Answer:
I think that the answer might be C
B.
Special proteins are in charge of regulating the movement of substance through the double-membrane.
The correct option is A.
The nature is organized in such a way that, one organism's waste is what the other organism will use as its own resources. For instance, during the process of photosynthesis, the oxygen that is produced as the by product of the photosynthesis process is what humans use to carry out their own breathing process.
Gametes are produced in meiosis, they are a sperm or egg that is fused together with another gamete to make a zygote.
