To help catalyze reactions, certain vitamins act as ________ in some chemical reactions.

A. coenzymes
B. energy sources
C. steroids
D. substrates


Answer: A

Anatomy & Physiology

You might also like to view...

A bone fracture in your arm would be part of the ________ division of the skeleton.

A. thoracic B. appendicular C. axial D. spinal

Anatomy & Physiology

Which is not correct regarding saliva?

A. Daily production is 1?1½ liters. B. It contains antibodies and an antibacterial enzyme. C. Its pH is slightly alkaline. D. The majority of its volume is water. E. It contains mucus to aid in swallowing.

Anatomy & Physiology

Collectively, the renal and respiratory systems comprise the chemical buffering system of the body.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

All of the following statements are true of most lymph tissues except:

A. they house lymphocytes and macrophages. B. they are largely composed of reticular connective tissue. C. they are the site of lymphocyte proliferation. D. the B lymphocytes are able to secrete antigens into the blood.

Anatomy & Physiology