The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain
A) gap
B) intercalated
C) desmosome
D) tight
D
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The atomic weight of an element whose atoms contain 8 protons, 8 electrons, and 8
neutrons is A) 16. B) 24. C) 32. D) 8.
In an atom, ____ orbit the nucleus
a. protons b. electrons c. neutrons d. isotopes
At what stage of wound healing does granulation tissue first form?
a. after scar tissue forms along the wound b. before the blood completely clots c. before leukocytes enter the site and clean the wound d. after a blood clot forms and prior to scar tissue forming.
Nervous stimulation of skeletal muscle results in a wave of depolarization along the plasma membrane. This electrical signal is carried into the interior of the muscle cell via the membranes of the:
a. Intercalated disks b. Nuclear envelope c. Sarcomere d. Sarcoplasmic reticulum e. T-tubules