The organelle that maintains pressure against the cell wall, so that the plant cell keeps it shape, is
the (a) central vacuole.
Worldwide circulation and reutilization of carbon atoms, chiefly due to metabolic processes of living organisms. Inorganic carbon, in the form of carbon dioxide, is incorporated into organic compounds by photosynthetic organisms; when the organic compounds are broken down in respiration, carbon dioxide is released. Large quantities of carbon are "stored" in the seas and the atmosphere, as well as in fossil fuel deposits.
Answer:
The correct answer is C) There is a larger variety of MHC proteins that can be expressed on the cell surfaces of their immune cells, providing a wider opportunity to recognize and attack pathogens.
Explanation:
I recommend you to try analyzing this excerpt in order to compile your own response towards the depicted situation. As for me, there is one stated truth: if someone is really wise and assured that his sphere of occupation is reasonable , this person would never persuade people to believe him/ her and stand on his/her side, because this person does not have doubts about that. Does not matter in what such people believe, they do not have to prove it to anyone who does not shares their views.