Enzymes are important because they
A) bind irreversibly to substrates.
B) are structural proteins that make up bodily tissues.
C) increase the body temperature of organisms.
D) allow reactions to occur at body temperature.
E) can enable organisms to evade the laws of thermodynamics.

Question

Quizplus · Accepted Answer

Enzymes are biological catalysts that speed up chemical reactions in cells by lowering the activation energy required for the reaction to occur. This allows reactions to proceed at the relatively low temperatures found within living organisms, rather than the high temperatures that might otherwise be needed.

Enzymes Are Important Because They