Which is not an example of matter and energy cycling through living things? A. Grass giving off oxygen
B. Grass growing
C. A rock resting on the ground
a
D. Cows eating grass

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