Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780133910605
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 42, Problem 1MC
In humans, sperm are produced in the
- a. spermatophore.
- b. seminiferous tubules.
- c. epididymis.
- d. urethra.
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Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the penis. b. Sperm mature in seminiferous tubules in the testes. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.
Spermatogonia divide by mitosis to form a new spermatogonium and a. a sperm. b. spermatids. c. a primary spermatocyte. d. zygotes.
With regards to sperm, one of the following is true?
a. Sperm survive in an acidic environment
b. Travel through the vas deferens, then the ejaculatory duct, then the ureter during ejaculation
c. Are stored in the vas deferens and last part of the epididymis
Chapter 42 Solutions
Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Ch. 42.1 - To attract a mate, rhinos urinate. raise their...Ch. 42.1 - Prob. 1CYLCh. 42.1 - Prob. 1TCCh. 42.1 - Prob. 2CYLCh. 42.1 - Prob. 2TCCh. 42.1 - Prob. 3CYLCh. 42.2 - Mammalian sperm dont live very long after...Ch. 42.2 - describe the human male and female reproductive...Ch. 42.2 - Prob. 1HYEWCh. 42.2 - Why would injections of testosterone suppress...
Ch. 42.2 - explain how hormonal interactons control...Ch. 42.2 - describe spermatogenesis and oogenesis, the...Ch. 42.3 - Whether using artificial insemination or natures...Ch. 42.3 - In 2015. the British Parliament voted to approve...Ch. 42.3 - describe the principal methods of contraception,...Ch. 42.3 - Envision yourself as a physician whose patients...Ch. 42.3 - Prob. 2CTCh. 42 - Prob. 1ACCh. 42 - Reproduction by a single animal, without the need...Ch. 42 - In humans, sperm are produced in the a....Ch. 42 - Describe the advantages and disadvantages of...Ch. 42 - In mammals, the male gonad is called...Ch. 42 - In humans, fertilization usually occurs in the a....Ch. 42 - Prob. 3FIBCh. 42 - Prob. 3MCCh. 42 - Prob. 3RQCh. 42 - Prob. 4FIBCh. 42 - Prob. 4MCCh. 42 - List the structures, in order, through which a...Ch. 42 - Prob. 5FIBCh. 42 - Prob. 5MCCh. 42 - Name the three accessory glands of the male...Ch. 42 - Oocytes develop in a multicellular structure, the...Ch. 42 - Prob. 6RQCh. 42 - Prob. 7RQ
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- In 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_forwardSpermatogonia divide by mitosis to form a new spermatogonium and a. a sperm. b. spermatids.c. a primary spermatocyte. d. zygotes. ņarrow_forwardWhich of the following structure is controlling the rate of spermatogenesis? a.Sertoli cells b.Leydig cells c.Spermatogonium d.Spermatidsarrow_forward
- Provides support and nourishment for the spermatids A. Labia majora B. Clitoris C. Sertoli D. Vulva E. Greater vestibular glandsarrow_forwardDetermine the pathway of sperm. A. Seminal vesicles → vas deferens → testes → prostate gland →bulbourethral glands → urethra B. Vas deferens → testes → seminal vesicles → prostate gland →bulbourethral glands → urethra C. Testes → seminal vesicles → vas deferens → prostate gland -bulbourethral glands → urethra D. Testes → vas deferens → seminal vesicles → prostate gland -bulbourethral glands → urethra Identify the variation of chromosome structure that is excised and rotated 180 degree within the same chromosome. A. Duplication B. Inversion C. Nondisjunction D. Non-rotationarrow_forwardTestosterone is produced in thea. interstitial cells.b. seminiferous tubules of the testes.c. anterior lobe of the pituitary gland.d. sperm cellsarrow_forward
- Identify the structure that secretes the hormone involved in the development of the secondary male sex characteristics and contributes to spermatogenesis. Select one: a. D, which is the Sertoli cell b. A, which is the spermatocyte c. C, which is the sperm cell d. B, which is the interstitial cellarrow_forwardWhich of the following statements about spermatogenesis is true? Select one: A. The process starts after each ejaculation. B. Maturation of sperm takes place in the seminal vesicles. C. The process is initiated by primary spermatocytes. D. It is controlled by FSH and testosterone. E. The complete process takes about 28 days. O O Oarrow_forwardWhat is the function of the seminiferous tubules? Select one: a. They nurture the developing sperm cells. b. They are the location of sperm production. c. They secrete testosterone. d. They promote the development of the secondary male sex characteristics.arrow_forward
- Which of the following does not describe the accessory glands of the female reproductive system? TheyA. are saclike expansions of the vaginal region. B. Are muscular and ectodermal in origin.C. usually open at the apical portion of the bursa copulatrix.D. creamy white in color and opens into the genital chamber. Spermatophores are specialized packets held together by glands thatA. play a role in influencing the permeability of the testicular wall.B. are used to transport sperms into the female reproductive tract.C. regulate the release of sperm cells.D. stimulate contraction of the genital ducts. The zone of the testicular follicle where the primary spermatocytes become secondary spermatocytes and spermatids during the first and second meiosisrespectively is the zone ofA. transformation.B. maturation and reduction.C. growth.D. germarium. A hormone which has been shown in some species to have an inhibitory effect on spermatogenesis isA. ecdysone.B. peptide hormone.C. juvenile hormone.D.…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_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_forward
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