________ are glial cells that are macrophages.
Fill in the blank(s) with the appropriate word(s).
Microglia
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The electron transport chain is a series of enzyme complexes that pass electrons,
releasing energy that is used to phosphorylate ADP to ATP on the inner mitochondrial membrane. Indicate whether the statement is true or false
During which stage of sexual response do neural signals cause the arteries in the penis to dilate, so the penile erectile tissues engorge with blood?
A. Resolution B. Arousal C. Ejaculation D. Emission
Secretion of potassium into the urine is
A) decreased by aldosterone. B) associated with the secretion of sodium from the distal tubules and collecting ducts. C) increased when the exchange pump binds H+. D) increased by aldosterone. E) None of the answers is correct.
How would a drug that blocks acetylcholine receptors at the motor end plate affect skeletal muscle?
A) It would make the muscles more excitable. B) It would produce uncontrolled muscle spasms. C) It would cause spastic paralysis (muscles are contracted and unable to relax). D) It would cause flaccid paralysis (muscles are relaxed and unable to contract). E) It would have little effect on skeletal muscles.