Campbell Biology: Concepts and Connections (Custom Package)
8th Edition
ISBN: 9781269717403
Author: Central Texas
Publisher: PEARSON
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Chapter 27, Problem 5TYK
Summary Introduction
Introduction: Reproductive system is involved in sexual reproduction, which is of two types, namely, male reproductive system and female reproductive system. The female reproductive system includes the internal and external sex organs that help in production of new organisms.
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Damage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.
During oogenesis the cell that is fertilized by a sperm to become an egg is:Â
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A
primary spermatocyte
B
secondary oocyte
C
primary oocyte
D
secondary spermatocyte
After ovulation, the secondary oocyte enters the (a) oviduct (b) corpus luteum (c) cervix (d) ovary (e) vagina
Chapter 27 Solutions
Campbell Biology: Concepts and Connections (Custom Package)
Ch. 27 - This graph plots the rise and fall of pituitary...Ch. 27 - Turns into the corpus luteum a. vas deferens b....Ch. 27 - a. vas deferens b. prostate gland c. endometrium...Ch. 27 - Prob. 4TYKCh. 27 - Prob. 5TYKCh. 27 - Site of human gestation a. vas deferens b....Ch. 27 - Prob. 7TYKCh. 27 - Secretes seminal fluid a. vas deferens b. prostate...Ch. 27 - Prob. 9TYKCh. 27 - After a sperm penetrates an egg, it is important...
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- Sperm are produced in the _______. a. scrotum b. seminal vesicles c. seminiferous tubules d. prostate glandarrow_forwardFigure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forwardNutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocystarrow_forward
- Which female organ has an endometrial lining that will support a developing baby? a. labia minora b. breast c. ovaries d. uterusarrow_forwardExternal fertilization occurs in which type of environment? a. aquatic b. forested c. savanna d. steppearrow_forwardIn the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?arrow_forward
- What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The cells would not continue to divide. b. The corpus luteum would continue to produce progesterone and estrogen. c. Menses would flush the blastocyst out of the uterus. d. The uterine mucosa would not envelop the blastocyst.arrow_forwardWhich of the following statements correctly describes the function of the Sertoli cells? a. Stimulate spermatogenesis b. Support the developing sperm cells c. Control the overproduction of testosterone d. Store testosterone in the testesarrow_forwardFollicle cells left behind after ovulation A)are shed during menstruation. B)become the corpus luteum, which secretes steroid hormones. C)become the placenta, which secretes human chorionic gonadotropin. D)become the corpus luteum, which secretes luteinizing hormone.arrow_forward
- What immediate effect does the SRY gene have on a developing fetus?  A) It directs the gonads to develop into testes.  B) It directs the gonads to develop into ovaries.  C) It directs the Müllerian ducts to develop into female internal reproductive structures.arrow_forwardWhich of these has the largest amount of DNA? a. Spermatogonial cells b. Primary spermatocyte c. Secondary spermmatocyte d. Sertoli cells e. First polar bodyarrow_forwardWhat happens to the stratum functionalis of the endometrium during menstruation? Group of answer choices a.it gets larger and more energy-rich b.it develops into the myometrium c.it allows implantation of the embryo d.it is sloughed offarrow_forward
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