Enzymes - Review MCQs

What is TRUE about enzymes?

Difficulty: Medium

A:

They make biochemical reactions to proceed spontaneously

B:

They lower the activation energy of a reaction

C:

They are not very specific in their choice of substrates

D:

They are needed in large quantities

To what category of molecules do enzymes belong?

Difficulty: Easy

A:

Carbohydrates

B:

Lipids

C:

Nucleic acids

D:

Proteins

What is TRUE about cofactors?

Difficulty: Easy

A:

Break hydrogen bonds in proteins

B:

Help facilitate enzyme activity

C:

Increase activation energy

D:

Are composed of proteins

Review MCQs