Which of these processes is responsible for generating the most atp within cellular respiration?
a. glycolysis
b. the breakdown of glucose into pyruvic acid
c. krebs cycle
d. the electron transport chain

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?