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 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
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
The heart sounds are due to the
A. heart contraction. B. heart relaxing. C. valves closing. D. blood flowing.
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