Besides the number of amino acids, what are two other things that give each protein their unique ability to function

i think its c. amphipod

the answer is "a.) well–developed vascular system."

explanation:

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.