I think its D. but I'm not sure The reason being is it's a prosses that doesn't require the "help" or "cooperation" of other cells and it only effects the one cell.
The intracellular communication is a type of communication which takes place within a cell or inside a cell. The cells communicate with each other or to itself through pathways which involves the molecules.
Since the intracellular represents within a cell, therefore, the movement of the molecule within a cell may be with cytoplasmic streaming, cargo vesicle transport or any other mechanism will represent the intracellular communication.
The answer is letter A. In most organisms cellular respiration usually involves oxygen to produce the most energy. Except in the process of fermentation, where the cells are deprived with oxygen causing it to form bacteria and other forms of organisms within the fermented sample.
