Biology

The reason that the steroid hormone aldosterone affects only a small number of c

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A cell with membrane-bound proteins that selectively bind a specific hormone is

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Aspirin and ibuprofen both A) inhibit the synthesis of prostaglandins. B) inhibi

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Ecdysone is a(n) A) peptide hormone. B) amine derivative. C) steroid hormone. D)

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Prostaglandins are local regulators whose chemical structure is derived from A)

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A paracrine signal that relaxes smooth muscle cells is A) nitric oxide. B) vitam

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Which category of signal exerts its effects on target cells by binding to membra

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Testosterone is an example of a chemical signal that affects the very cells that

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In a positive-feedback system where hormone A alters the amount of protein X A)

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All hormones A) are produced by endocrine glands. B) are lipid-soluble molecules

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Which of the following has both endocrine and exocrine activity? A) the pituitar

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Abnormally reduced somatic growth (dwarfism) can be a consequence of decreased h

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Increased ADH secretion is likely after A) drinking lots of pure water. B) sweat

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Innate immunity A) is activated immediately upon infection. B) depends on a newl

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A fruit fly, internally infected by a potentially pathogenic fungus, is protecte

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Engulfing-phagocytic cells of innate immunity include all of the following excep

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The lymphatic fluid A) is a filtrate of the blood, as is urine. B) is completely

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An inflammation-causing signal released by mast cells at the site of an infectio

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A systemic inflammatory response that is often life-threatening is A) mild fever

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The eyes and the respiratory tract are both protected against infections by A) t

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The complement system is A) a set of proteins involved in innate but not acquire

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Cave art by early humans recognized the existence of the major signs of inflamma

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Ancient peoples sought to identify the indicators of inflammation because A) see

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The cells and signaling molecules that initiate inflammatory responses are A) th

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Inflammatory responses typically include A) clotting proteins migrating away fro

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