Sometimes the _______________ groups of proteins release hydrogen ions.

Fill in the blank(s) with the appropriate word(s).


carboxyl

Anatomy & Physiology

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The heart sounds are due to the

A. heart contraction. B. heart relaxing. C. valves closing. D. blood flowing.

Anatomy & Physiology

A simple cuboidal epithelium would be found

A) lining the urinary bladder. B) lining the small intestine. C) lining kidney tubules. D) lining the stomach. E) at the surface of the skin.

Anatomy & Physiology

Materials that are to be discharged from a cell via exocytosis are packaged by which organelle?

A. Mitochondrion B. Ribosome C. Endoplasmic reticulum D. Lysosome E. Golgi complex

Anatomy & Physiology

The first line of cellular defense against pathogens are the

A) T cells. B) B cells. C) NK cells. D) phagocytes. E) plasma cells.

Anatomy & Physiology