Which of these descriptions best matches the term B lymphocytes?
A) adhere to collagen beneath endothelium
B) helper cells are one type
C) develop into plasma cells and produce antibodies in response to antigens
D) kill bacteria using hydrogen peroxide
E) often elevated in allergic individuals
C
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A major step in extracting energy from proteins is
A) deamination. B) beta oxidation. C) glycogenolysis. D) glycolysis.
Given the following structures from the brachial plexus:
1. ventral rami 2. cords 3. divisions 4. branches 5. trunks A) 5,4,1,2,3 B) 1,4,3,2,5 C) 1,5,3,2,4 D) 2,3,5,1,4 E) 1,5,4,2,3
When acetylcholinesterase outlasts the release of acetylcholine from the synaptic vesicles, the skeletal muscle ________.
A. gets stronger B. opens its Na+ channels C. releases Ca2+ D. contracts E. relaxes
In mitotic division, replication of chromosomes occurs during ________.
A. prophase B. metaphase C. anaphase D. interphase