During the second stage of aerobic cellular respiration, which molecule combines with the products of the first stage? water
energy
oxygen
glucose

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above