The molecules of the electron transport chain perform redox reactions in order to a. concentrate H+ in the intermembrane space.
b. move electrons to ATP synthases.
c. reduce NAD+ to NADH.
d. oxidize oxygen to form water.

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?