Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 26, Problem 4MC
Summary Introduction
Introduction:
Both male and female embryos have the same tissue that develops differently into the male and female reproductive parts.
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The male scrotum is homologous to the female:- a. ovaries. b. vagina. c. labia majora. d. vestibular bulbs. e. clitoris.
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.
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.
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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.…
Chapter 26 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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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_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_forwardDamage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.arrow_forward
- Many structures in the male and female reproductive systems have similar functions. Which of the following structures from the male reproductive system has no comparable structure in the female reproductive system? Select one: a. Sertoli cells b. Testes c. Seminal vesicles d. Vas deferensarrow_forwardWhich of the following is not an event of the ovarian cycle?a. FSH promotes the development of a follicle.b. The endometrium thickens.c. The corpus luteum secretes progesterone.d. Ovulation of an egg occurs.arrow_forwardThe cells that are located between seminiferous tubules which produce testosterone are: A.Myometrial B.Follicle C.Sustentacular D.Thalamic E.Interstitialarrow_forward
- 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. b. It stimulates the Sertoli cells to produce sperm. c. It increases the production of inhibin. d. It stimulates a primary follicle to develop.arrow_forwardWith 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 epididymisarrow_forwardContractions of the uterus during labor are stimulated by the hormonea. estrogen.b. prolactin.c. oxytocin.d. progesterone.arrow_forward
- In humans genital organs, one of the following is not true? O a. One of the functions of the testis is to produce sperms. O b. Fallopian tube transmits the ovum to the uterus. C. The ovarian medulla secretes the female sex hormones. O d. The male genital ducts conduct the sperms from the testis to the urethra. O e. Sertoli cells are supporting cells.arrow_forwardWhich of the following lists the female reproductive structures that sperm will pass through on their way to fertilize an oocyte, in the correct order? a. cervix . . . vagina . . . oviduct . . . ovary b. cervix . . . oviduct . . . vagina . . . uterus c. uterus . . . cervix . . . vagina . . . ovary d. vagina . . . cervix . . . uterus . . . oviductarrow_forwardSpermatogonia divide by mitosis to form a new spermatogonium and a. a sperm. b. spermatids. c. a primary spermatocyte. d. zygotes.arrow_forward
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