Virtually all chemical changes that take place in cells require ________, molecules that greatly increase the rate at which a chemical reaction occurs.
A)DNAs
B)carbohydrates
C)ligands
D)enzymes

Question

Quizplus · Accepted Answer

Enzymes greatly increase the rate of chemical reactions in cells by acting as catalysts. DNAs, carbohydrates, and ligands may all play important roles in cellular processes, but do not directly catalyze chemical reactions.

Virtually All Chemical Changes That Take Place in Cells Require