Biology

Iodine is added to table salt to help prevent deficiencies of an essential miner

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Endocrine structures derived from nervous tissue include the A) thymus and the t

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Oxytocin and antidiuretic hormone are synthesized in the A) hypothalamus. B) ade

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In a lactating mammal, the two hormones that promote milk synthesis and milk rel

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To prevent insect pests from maturing into reproducing adults, pest controllers

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A product of the anterior pituitary gland that causes color changes in its targe

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Prolactin stimulates mammary gland growth and development in mammals and regulat

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The hypothalamus A) functions only as an endocrine target, by having lots of rec

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If a person loses a large amount of water in a short period of time, he or she m

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Portal blood vessels connect two capillary beds found in the A) hypothalamus and

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Hormone X activates the cAMP second messenger system in its target cells. The gr

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A chemical signal operating in a paracrine manner is one that A) is active at a

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Endocrine glands that are sources of steroid hormones A) secrete the steroids th

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Insect hormones and their receptors A) act independently of each other. B) are a

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The hypothalamus modulates hormone secretion by the anterior pituitary by means

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The interrelationships between the endocrine and the nervous systems are especia

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Based on their effects, which pair below would not be expected to be active at t

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During short-term starvation, most available fuel molecules are catabolized to p

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During mammalian labor and delivery, the contraction of uterine muscles is enhan

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Hormones that promote homeostasis A) are not found as members of antagonistic si

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Suppose that substance X is secreted by one cell, travels via interstitial fluid

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Nitric oxide and epinephrine A) both function as neurotransmitters. B) both func

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For hormones that homeostatically regulate cellular functions, A) negative feedb

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When a steroid hormone and a peptide hormone exert similar effects on a populati

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Different body cells can respond differently to the same peptide hormones becaus

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