CAMPBELL BIOLOGY>CUSTOM<
5th Edition
ISBN: 9781323764541
Author: Reece
Publisher: PEARSON C
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Chapter 45, Problem 4TYU
Summary Introduction
Introduction:
Endocrine cells secrete hormones into the extracellular fluids, which are the signaling molecules. The secreted hormones reach target cells through the bloodstream. Hormones bind only to specific cells based on the corresponding receptors and they act through chemical signals. They maintain homeostasis and regulate growth, development, blood pressure,
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Chapter 45 Solutions
CAMPBELL BIOLOGY>CUSTOM<
Ch. 45.1 - How do response mechanisms in target cells differ...Ch. 45.1 - What type of gland would you expect to secrete...Ch. 45.1 - WHAT IF? Predict what would happen if you...Ch. 45.2 - What are the roles of oxytocin and prolactin in...Ch. 45.2 - How do the two fused glands of the pituitary gland...Ch. 45.2 - WHAT IF? 2192 Propose an explanation for why...Ch. 45.2 - what if? Lab tests of two patients, each...Ch. 45.3 - If a hormone pathway produces a transient response...Ch. 45.3 - Prob. 2CCCh. 45.3 - Prob. 3CC
Ch. 45 - MAKE CONNECTIONS What forms of signaling activate...Ch. 45 - Which major endocrine organs described in Figure...Ch. 45 - Prob. 45.3CRCh. 45 - Which of the following is not an accurate...Ch. 45 - Prob. 2TYUCh. 45 - Growth factors are local regulators that (A) are...Ch. 45 - Prob. 4TYUCh. 45 - Prob. 5TYUCh. 45 - Which of the following is the most likely...Ch. 45 - The relationship between the insect hormones...Ch. 45 - DRAW IT In mammals, milk production by mammary...Ch. 45 - Prob. 9TYUCh. 45 - Prob. 10TYUCh. 45 - Level 3: Synthesis/Evaluation 11. WRITE ABOUT A...Ch. 45 - Prob. 12TYU
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- What hormones are secreted by the posterior pituitary? What effect would stalk interruption have on those hormones, and the body?arrow_forwardWhich hormone would turn off the production of ACTH?arrow_forwardWhat are the two hormones released from the posterior pituitary? a. mineralocorticoid and glucocorticoid b. luteinizing hormone and follicle-stimulating hormone c. epinephrine and norepinephrine d. oxytocin and vasopressin When mechanical force is absorbed by a sensory receptor, the energy is transduced into a local depolarization or hyperpolarization that can be large or small depending on the strength of the stimulus. What is this called? a. an opponent process b. an action potential c. a graded receptor potential d. conscious awareness of sensationarrow_forward
- Which hormone is incorrectly paired with its action?(A) oxytocin—stimulates uterine contractions duringchildbirth(B) thyroxine—inhibits metabolic processes(C) ACTH—stimulates the release of glucocorticoids by theadrenal cortex(D) melatonin—aarrow_forwardWhat is the relationship between the hypothalamus and the pituitary?arrow_forwardWhat is the key difference between the way the hypothalamus communicates with the anterior pituitary and the way it communicates with the posterior pituitary?arrow_forward
- This structure is a unique vascular system connecting the hypothalamus to the anterior pituitary, ensuring hypothalamic hormones are delivered directly to the anterior pituitary a. Peritubular pathway b. Hypothalamic hypophyseal portal system c. Hypothalamic neurosecretory pathway d. Hepatic pituitary portal systemarrow_forwardWhich part of the pituitary—anterior or posterior—is neural tissue, similar to the hypothalamus? Which part is glandular tissue and produces hormones that control the secretions by other endocrine organs?arrow_forwardA physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?arrow_forward
- Most of the hormones produced by the anterior pituitary perform what function? a. regulate growth b. regulate the sleep cycle c. regulate production of other hormones d. regulate blood volume and blood pressurearrow_forwardEach steroidogenic organ has all the enzymes necessary to produce any steroid hormone. (True or false?)arrow_forward
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