Which two Kingdoms are nearly the same, except for where they can survive? A. Protista and Archaebacteria
B. Protista and Plantae
C. Eubacteria and Archaebacteria
D. Plantae and Fungi

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