The answer is C.
It is not true that CO2 is released during photosynthesis, rather its the opposite. Carbon dioxide is a raw material for the production of starches and cellulose through photosynthesis. Atmospheric carbon dioxide is captured during the light dependent reactions of photosynthesis then used for the production of starch, glucose and cellulose in the light independent reactions (Calvin cycle) of photosynthesis.
In aerobic cellular respiration, oxygen rather than Carbon dioxide is a requirement because it is needed as the terminal electron acceptor in the production of ATP.
Well there part of a group called carbohydrates ,sugars are monosaccharides, or single units of a specific molecules such as gluclose,fructose,and monasse . startches on the other hand ,are polysaccharides ,long chains of chains of single sugar molecule subunits linked together, if this doesnt answer your question just txt me,thxs love
