Answer D. because B. Jupiter is the farthest from Earth from those answer choices and C. is the moon because it is the closest out of those answer choices.
Answer:
C
Explanation:
The proton pump must continuously work against the concentration graident to maintain the electrochemical gradient. If this stops, the ions will flow down their concentration gradients, depolarizing the electrochemical gradient.
Every cell in the body requires energy to grow, repair itself and carry out reproduction...
All functions of the cells are performed by the supply of energy...
<span><span><u> this energy is released in the process of respiration..by the break down of food molecules
.w</u></span></span>ithout it no function can be performed in the body so respiration is vital function of the body....
