Question

Select all that apply.

Enzymes _____.

are not required to sustain the life of an organism
act as catalysts in chemical reactions of cells
interact with specific substrates like a lock and key
can lower the required activation energy for reactions in living organisms

Answer 1

b,c,d

Step-by-step explanation:

Answer 2

The right answers are B, C and D.

An enzyme is a protein with catalytic properties. Virtually all biomolecules capable of catalyzing chemical reactions in cells are enzymes; some catalytic biomolecules, however, consist of RNA and are therefore distinct enzymes: they are ribozymes.

An enzyme acts by lowering the activation energy of a chemical reaction, which increases the rate of reaction.