In adults, where are the stem cells that produce new neurons? O A. In the layers of skin
O B. In the digestive tract
O
C. In the brain
O D. In the bones

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper