A Holoenzyme Is a Combination of a Protein and One

question 22

Multiple Choice

A holoenzyme is a combination of a protein and one or more substances called ________.

• A)substrates
• B)apoenzymes
• C)catalysts
• D)cofactors
• E)reactants

---

Definitions:

Vitamin E

A fat-soluble vitamin important for maintaining healthy skin and a strong immune system, also acting as an antioxidant.

Vitamin C

An essential nutrient and antioxidant important for immune function, skin health, and the repair of body tissues.

Vitamin B12

Vitamin B12 is a water-soluble vitamin necessary for the formation of red blood cells, neurological function, and DNA synthesis.

Ileum

The last portion of the small intestine. It is directly attached to the large intestine.