harshraj2k6

Why doesn't facilitated diffusion require energy from the cell?

A. The protein channels provide the energy required.

B. Facilitated diffusion does require energy.

C. The movement is from a high concentration to a lower concentration.

What scientist was not one that contributed to the knowledge of DNA?

A. Griffith

B. Darwin

C. Rosalind Franklin

D. Watson

Which of the following is NOT how mitochondria could have become part of the eukaryotic cells?

A. It may have entered as a parasite.

B. It may have been engulfed.

C. It may have entered through photosynthesis.