Question 1 of 10 What do proteins, carbohydrates, and lipids have in common?
O A. They are all made of chains of nucleic acids.
O B. They all use peptide bonds to bind amino acids.
O C. They are all formed from the same elements.
O D. They all contain the instructions for building organisms.

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