Which of the following is NOT a function of proteins in the body?

A. Enzymes
B. Receptors for regulator molecules
C. Compose genes
D. Carriers for membrane transport


Answer: C

Anatomy & Physiology

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Which statement accurately describes alveolar exchange of oxygen?

A.   Oxygen diffuses from the alveolus to the blood because the alveolus has a higher partial pressure of oxygen. B.   Oxygen diffuses from the alveolus to the blood because the alveolus has a lower partial pressure of oxygen. C.   Oxygen diffuses from the blood to the alveolus because the alveolus has a higher partial pressure of oxygen. D.   Oxygen diffuses from the blood to the alveolus because the alveolus has a lower partial pressure of oxygen.

Anatomy & Physiology

The brain relies solely on ________ as its energy source. If it is deprived of this substrate, the cells soon die.

A) amino acids B) insulin C) fatty acids D) glucose

Anatomy & Physiology

Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of ________.

A. active transport B. cotransport C. diffusion D. osmosis E. filtration

Anatomy & Physiology

Anaphase is characterized by ________

A) separation of the sister chromatids B) breakdown of the nuclear membrane C) duplication of the chromosomes D) division of the cytoplasm

Anatomy & Physiology