Proteins are the main functional component of cells, and protein-based enzymes govern the rate of cellular division
a. True
b. False
Indicate whether the statement is true or false
False
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Skeletal muscle is innervated by the ____________________ nervous system, the branch of the ____________________ division subject to voluntary control
Fill in the blank(s) with correct word
Match the cell of adaptive immunity with its function.A. Quick and responsive to antigen, remembers previous exposureB. After activation, differentiates to become plasma cell or memory B cellC. Produces antibodiesD. Destroys cells by lysis or by production of cytokinesE. Activates B and effector T cellsCytotoxic T cell
Fill in the blank(s) with the appropriate word(s).
What does the medullary ischemic reflex result in?
A) Reduced circulation to the brain B) Hormone secretion by the adrenal medulla when perfusion drops C) Increased circulation to the adrenal medulla D) Ischemia of the medulla oblongata E) Increased circulation to the brain
What is a reflex arc? What components must be present to qualify?