Which is not a process that a cell uses to maintain homeostasis
a. taking in waste
b. getting rid of wastes
c. transporting water through osmosis
d. transporting nutrients through diffusion (5points)

Which description provides the best objective summary of the article in the passage?

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

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