White blood cells engulf bacteria by means of __________.

A. phagocytosis
B. pinocytosis
C. active transport
D. facilitated diffusion
E. exocytosis


A. phagocytosis

Anatomy & Physiology

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Which of the following terms and definitions is correct?

A. Cerebral cortex-a thin layer of gray matter forming the outermost part of the cerebrum B. Hemisphere dominance-the largest cerebral hemisphere with the thickest cerebral cortex C. Cerebral cortex-a thick layer of white matter forming the innermost part of the cerebrum D. Limbic system-interconnected brain structures that activate skeletal muscle

Anatomy & Physiology

An example of transamination is

A) finding a brand new sports car in your driveway with your name on it. B) removing a phosphate group from a molecule. C) removing an amino group and putting it into the bloodstream for the kidneys to discard. D) removing an amine group from one molecule and binding it to a different molecule.

Anatomy & Physiology

What does label I represent?

A) complement binding site B) antigen binding site C) antigenic determinant sites D) macrophage binding site E) antibodies

Anatomy & Physiology

During the contraction phase of a muscle twitch,

A. the action potential travels down the T tubule. B. actin-myosin cross-bridges form. C. acetylcholine stimulates the pre-synaptic terminal. D. Ca2+ are transported back to the sarcoplasmic reticulum. E. Na+ diffuse into the muscle fiber.

Anatomy & Physiology