C) A cell membrane.
Bacteria are unicellular and do not have a nucleus.
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The only way for gases to diffuse in and out of the leaf is though small openings on the underside of the leaf, the stomata
Answer:
Explanation:
ADP (Adenosine diphosphate) is a starting material in respiration. Through the process of respiration a 3rd phosphate is added to the compound to make it ATP (Adenosine Triphosphate). This extra phosphate in the end product is what allows the cell to use the compound for energy.
NAD and NADH are used in the electron transport chain but not going to be the energy molecule