What type of proteins are present at chemical synapses to ensure the close proximity of the presynaptic and postsynaptic membranes?
What will be an ideal response?
Cell adhesion molecules (CAMs)
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The ________ are small blood vessels that nourish tissue components in the wall of large arteries and veins
A) tunica capillaria B) perfusion capillaries C) vasa vasorum D) vascular capillaries E) cortical vessels
When the extracellular fluid becomes too acidic, the tubular secretion of
a. no ionic substance is affected. b. hydrogen ions decreases. c. hydrogen ions increases. d. sodium ions decreases. e. sodium ions increases.
This figure shows the right anterior forearm. What muscle does number 2 indicate?
A. Brachialis B. Brachioradialis C. Palmaris longus D. Pronator teres E. Flexor carpi radialis
The type of muscle fibers that are striated, form Y-shaped branches, and have junctions called intercalated discs are
A. skeletal and voluntary. B. smooth. C. voluntary. D. cardiac. E. skeletal.