Why is oxygen important to life?
a. Because it causes phospholipids to form the double layer of molecules that become cellular membranes.
b. Because it can absorb energy from the sun and transform it into chemical energy during photosynthesis.
c. Because it is part of water and is used in the generation of ATP (energy) during cellular respiration.
d. Because it causes protein molecules to fold and form complex structures important to protein function.
