Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 43, Problem 2VCQ
Figure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false?
- LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries.
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Students have asked these similar questions
Which of the following describes the role of Luteinizing hormone in the ovarian cycle?
o Inhibits the hypothalamus from secreting GNRH
o Directly promotes thickening of the endometrium
o Simulates the ovary to increase aldosterone
o Induces the corpus luteum to secrete progesterone
Stimulates lactation in the mammary glands
Which of the following events does NOT
occur initially during a female reproductive
cycle? *
Progesterone promotes the secretory
phase.
FSH & LH stimulates development ovarian
follicles& secretion of Estrogen.
Estrogen promotes proliferative & secretory
phases.
FSH & LH stimulates development ovarian
follicles & secretion of Progesterone.
Hypothalamus release GNRH, which
stimulates the Pituitary Gland to secrete
FSH & LH.
Which of the following is NOT one of the events leading to male sex-determination in humans?
The Wolffian ducts are degraded.
TDF and SF1 stimulate transcription of SOX9.
Testosterone is produced, which stimulates the development of male reproductive structures and other male secondary characteristics.
Mullerian-Inhibiting Hormone (MIH) is produced.
The SRY gene is expressed to produce Testes-Determining Factor (TDF).
Chapter 43 Solutions
Biology 2e
Ch. 43 - Figure 43.8 Which of the following statements...Ch. 43 - Figure 43.15 Which of the following statements...Ch. 43 - Figure 43.17 Which of the following statements...Ch. 43 - Which form of reproduction is thought to be best...Ch. 43 - Which form of reproduction can result from damage...Ch. 43 - Which form of reproduction is useful to an animal...Ch. 43 - Genetically unique individuals are produced...Ch. 43 - External fertilization occurs in which type of...Ch. 43 - Which term applies to egg development within the...Ch. 43 - Which term applies to egg development outside the...
Ch. 43 - Sperm are produced in the______ scrotum seminal...Ch. 43 - Most of the bulk of semen is made by the...Ch. 43 - Which of the following cells in spermatogenesis is...Ch. 43 - Which female organ has the same embryonic origin...Ch. 43 - Which female organ has an endometrial lining that...Ch. 43 - How many eggs are produced as a result of one...Ch. 43 - Which hormone causes Leydig cells to make...Ch. 43 - Which hormone causes FSH and LH to be released?...Ch. 43 - Which hormone signals ovulation? FSH LH inhibin...Ch. 43 - Which hormone causes the regrowth of the...Ch. 43 - Nutrient and waste requirements for the developing...Ch. 43 - Progesterone is made during the third trimester by...Ch. 43 - Which contraceptive method is 100 percent...Ch. 43 - Which type of short term contraceptive method is...Ch. 43 - Which hormone is primarily responsible for The...Ch. 43 - Major organs begin to develop during which part of...Ch. 43 - Which of the following is false? The endoderm,...Ch. 43 - During cleavage, the mass of cells: increases...Ch. 43 - Which of the following gives rise to the skin...Ch. 43 - The ribs form from the ___________ . notochord...Ch. 43 - Why is sexual reproduction useful if only half the...Ch. 43 - What determines which sex will result in offspring...Ch. 43 - What are the advantages and disadvantages of...Ch. 43 - Why would paired external fertilization be...Ch. 43 - Describe the phases of the human sexual response.Ch. 43 - Compare spermatogenesis and oogenesis as to timing...Ch. 43 - If male reproductive pathways are not cyclical,...Ch. 43 - Describe the events in the ovarian cycle leading...Ch. 43 - Describe the major developments during each...Ch. 43 - Describe the stages of labor.Ch. 43 - What do you think would happen if multiple sperm...Ch. 43 - Why do mammalian eggs have a small concentration...Ch. 43 - Explain how the different germ layers give rise to...Ch. 43 - Explain the role of axis formation in development.
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- Figure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.arrow_forwardBesides producing gametes (sperm and eggs), the primary male and female reproductive organs also produce sex hormones. The _____ and the pituitary gland control secretion of both.arrow_forwardFigure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.arrow_forward
- Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus contracts LH c. LH, FSH are released GnRH d. surge causes ovulation FSH e. follicle develops HCG f. milk is produced prolactin g. corpus luteum is maintainedarrow_forwardFigure 43.8 Which of the following statements about the male reproductive system is false? The vas deferens carries sperm from the testes to the penis. Sperm mature in seminiferous tubules in the testes. Both the prostate and the bulbourethral glands produce components of the semen. The prostate gland is located in the testes.arrow_forwardOutline the roles of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in the ovarian cycle of a human female.arrow_forward
- Which of the following events does NOT occur initially during a female reproductive cycle?" Progesterone promotes the secretory phase. FSH & LH stimulates development ovarian follicles& secretion of Estrogen. FSH & LH stimulates development ovarian follicles & secretion of Progesterone. Estrogen promotes proliferative & secretory phases. Hypothalamus release GnRH, which stimulates the Pituitary Gland to secrete FSH & LHarrow_forwardWhich of the following statements is NOT true concerning the hormonal control over the male reproductive system? These hormones are involved in a negative feedback relationship The hypothalamus secretes a hormone called gonadotropin-releasing hormone Luteinizing hormone controls the production of sperm in the seminiferous tubules Follicle-stimulating hormone and luteinizing hormone are present in both males and females The interstitial cells produce testosteronearrow_forwardWhich of the following is/are true with regards hormones in the reproductive tract? * All the choices Progesterone is secreted by ovarian follicles & the corpus luteum. Estrogen secretion is stimulated exclusively by LH. Progesterone secretion is stimulated exclusively by FSH. Estrogen is secreted by ovarian follicles & the corpus luteum.arrow_forward
- Listed in the table below are the five major reproductive hormones that support ovulation in female mammals, including the giant panda. Describe the role of each hormone in this process and the approximate time during the ovarian cycle that it reaches peak levels. Hormone Gonadotropin-releasing hormone (GnRH) Estrogen Luteinizing hormone (LH) Follicle stimulating hormone (FSH) Progesterone Role in Regulation of the Menstrual Cycle Timing of Peak Levelarrow_forwardPolycystic ovarian syndrome (PCOS) is an endocrine disorder. PCOS may result in irregular periods, elevated levels of male hormones, and enlarged ovaries with fluid filled sacs called cysts.Doctors may prescribe birth control pills containing only progesterone to help regulate periods and reduce symptoms.Progesterone plays an important role in the ovarian and uterine cycles. Describe the functions of progesterone during the cycle.arrow_forwardHow do follicles influence FSH and LH levels at the end of the follicular phase, right before ovulation? Follicles release high quantities of estrogen, which result in a large increase in LH and a small increase in FSH O Follicles release high quantities of progesterone, which result in a large increase in LH and a small increase in FSH O Follicles release low quantities of estrogen, whch result in a large increase in LH O Follicles release low quantities of progesterone, which result in a large increase in LH and a small increase in FSHarrow_forward
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