1. which of the following statements correctly explains what all enzymes have in common?
a. they catalyze chemical reactions.
b. they are composed of carbohydrate subunits.
c. they are consumed during chemical reactions.
d. they facilitate phase changes of biological matter.

i think the answer is

mass

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.