Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Textbook Question
Chapter 41, Problem 9SQ
A male attains an erection when ___ .
- a. muscles running the length of the penis contract
- b. Leydig cells release a surge of testosterone
- c. the posterior pituitary releases oxytocin
- d. spongy tissue inside the penis fins with blood.
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Chapter 41 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 41 - Stuck Sperm Cells lining the epididymis secrete a...Ch. 41 - Prob. 2DAACh. 41 - Prob. 3DAACh. 41 - Prob. 4DAACh. 41 - Sexual reproduction ___ . a. requires formation of...Ch. 41 - The ___ is a genetic dead end. a. polar body b....Ch. 41 - Prob. 3SQCh. 41 - Prob. 4SQCh. 41 - During a menstrual cycle, a midcycle surge of...Ch. 41 - Prob. 6SQ
Ch. 41 - Prob. 7SQCh. 41 - Male germ cells divide by meiosis inside the...Ch. 41 - A male attains an erection when ___ . a. muscles...Ch. 41 - Prob. 10SQCh. 41 - Prob. 11SQCh. 41 - Prob. 12SQCh. 41 - Match each disease with the type of organism that...Ch. 41 - Match each structure with its description. ____...Ch. 41 - Match each hormone with its source. ____ FSH and...Ch. 41 - Prob. 1CTCh. 41 - Fraternal twins are nonidentical siblings that...Ch. 41 - Some sperm mitochondria enter an egg during...Ch. 41 - Occasionally more than one sperm penetrates and...
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A human blastocyst normally implants in ................. a. an oviduct c. the uterus b. a seminiferous tubule d. the vagina
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Figure 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.
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Match each term with the most suitable description. ___epididymis a. conveys oocyte to uterus ___vas deferens b. can be inflated by blood ___vagina c. where sperm mature ___seminal vesicle d. target of vasectomy ___penis e. main contribution to semen ___oviduct f. sheds lining monthly ___uterus g. birth canal
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Where is testosterone produced?
a) Pituitary gland
b) Sperm tubes (seminiferous tubules)
c) The sperm
d) Interstitial cells (Leydig cells)
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In a female, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) target the:a. uterus. c. ovaries.b. anterior pituitary gland. d. hypothalamus.
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Which of the following statements is NOT a role of follicle stimulating hormone (FSH) in the male reproductive system?
a. It is suppressed by increased levels of testosterone and inhibin.
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d. It stimulates a primary follicle to develop.
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Which of these functions explains the role of hormones in the reproductive systems?
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A. Penis
B. Uterine lining
C. Oviduct
D. Hypothalamus
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During the menstrual cycle, the degradation of the corpus luteum causes what?
A) The decrease of progesterone levels and the thickening of the endometrium.
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C) The decrease of estrogen levels and the thickening of the endometrium.
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Follicle 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.
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