Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 34, Problem 12SQ
Summary Introduction
Introduction: Thyroid hormone is a hormone produced by the thyroid glands. Thyroid hormones are important for maintaining the
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Human chronic gonadotrophin (hCG) hormone produced by the fertilized egg in order to maintain elevated levels of estrogen and progesterone. hCG is also used to induce ovulation during IVF procedures and is known to stimulate the production of testosterone in the testes.
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The hormones that drive frog metamorphosis are
metamorphosis are..
a. T3 and T4; juvenile hormone and ecdysone
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b. TR alpha and TR beta; adrenaline and ecdysone
c. Juvenile hormone and ecdysone; T3 and T4
d. cortisol and corticosterone; juvenile hormone and ecdysone
The thyroid gland will produce T3, T4, and calcitonin, which will be primarily responsible for regulating _______________ and ______________.
a. insulin and glucagon levels
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Chapter 34 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 34 - Prob. 1DAACh. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Prob. 1SQCh. 34 - A ________ is synthesized from cholesterol and can...Ch. 34 - Match each pituitary hormone with its target. ____...Ch. 34 - Releasing hormones secreted by the hypothalamus...Ch. 34 - Prob. 5SQCh. 34 - Low blood calcium triggers secretion by ________....
Ch. 34 - _______ lowers blood sugar levels; ________ raises...Ch. 34 - Prob. 8SQCh. 34 - The ________ has both endocrine and exocrine...Ch. 34 - Prob. 10SQCh. 34 - Secretion of _______ suppresses immune responses....Ch. 34 - Prob. 12SQCh. 34 - Which of the following is not a steroid hormone?...Ch. 34 - True or false? All hormones secreted by arthropods...Ch. 34 - Match the term listed at left with the most...Ch. 34 - Women who have been blind since birth almost never...Ch. 34 - A diabetic who injects too much insulin can lose...Ch. 34 - Endocrine disruptors can interfere with biological...Ch. 34 - An arctic hares coat color changes from white to...
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- The hormone controlling metamorphosis in tadpoles is Group of answer choices A. thyroxin B. testosterone C. juvenile hormone D. adrenaline E. ZPAarrow_forwardGonadocorticoid A. synthesized by the adrenal medulla are primarily androgens. B. Production by the adrenal gland is insignificant as compared to sex hormone release from the gonads during late puberty C. Inhibition (of secretion) is highly dependent on a negative feedback loop involving ACTH D. Hypersecretion can result in androgenital syndrome also called feminization E. All of these are correctarrow_forward1. Calcitonin causes ... A. An increase in the blood concentration of calcium B. a breakdown in the bone matrix C. a decrease in blood concentration of calcium D. Both A and B 2. Testosterone:A. Is produced by the prostate glandB. Is produced by the interstital cells of the testes C. Is released in response to stressD. both B and C above3. The thyroid gland:A. is unique because it does not store the hormones it makesB. is found in the neckC. Requires calcium to produce its hormoneD. All of abovearrow_forward
- Hormones secreted by endocrine glands are _________________. * A. passed through ducts B. circulated in the blood C. produced in large amounts D. cause damage to the bodyarrow_forwardWhich one of the following hormones does not have intracellular receptors? a. Estrogens b. Cortisol c. Insulin d. Epinephrine e. T3 Gs proteins serve as transducers in the action of: a. Testosterone b. PRL c. GH d. TSHarrow_forwardOverdose by thyroid hormones during childhood leads to:A. Delayed sexual developmentB. Early sexual maturationC. Heart rhythm abnormalitiesD. Acceleration of growth and bone differentiationE. Deceleration of growth and bone differentiationarrow_forward
- A ______ requires the use of a second messenger system to enter a cell. a. steroid hormone c. pheromone b. peptide hormone d. All of these are correctarrow_forwardBoth the _____ are involved in the synthesis of calcitriol and erythropoietin. a. anterior and posterior pituitary b. thyroid gland and thymus c. liver and kidneys d. parathyroids and pancreatic islets e. epidermis and liverarrow_forwardA biological hormone feedback system causes puberty to begin. What occurs during this process? A. New sex hormones are introduced into the body. B. A part of the pituitary gland shuts down in preparation for puberty. C. Levels of preexisting hormones are increased to a higher setpoint. D. All of the above.arrow_forward
- ______are signaling molecules that travel through the blood and affect distant cells in the same individual. a. Hormones c. Pheromones b. Neurotransmitters d. Neuromodulatorsarrow_forwardPlease explain why the others arent correct.arrow_forwardGrave's disease is caused by non-existent negative feedback by _______________ on _______________. a. Triiodothyronine (T3); thyroid stimulating hormone (TSH) b. TSH; T3 c. Thyroid stimulating immunoglobulin (TSI); T3 d. T3; TSIarrow_forward
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