White blood cells engulf bacteria by means of __________.
A. phagocytosis
B. pinocytosis
C. active transport
D. facilitated diffusion
E. exocytosis
A. phagocytosis
You might also like to view...
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
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.
What does label I represent?
A) complement binding site B) antigen binding site C) antigenic determinant sites D) macrophage binding site E) antibodies
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.