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.
B: Black body
b: brown body
Bb+Bb= BB, Bb, Bb, bb
Answer:
grasses are producers or autotrophs
while blesbock are heterotrophs
White fur to keep them warm and camouflaged