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 11RQ
Sperm are produced in the______
- scrotum
- seminal vesicles
- seminiferous tubules d. prostate gland
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Although the male ejaculate contains hundreds ofmillions of sperm, ________.a. most do not reach the oocyteb. most are destroyed by the alkaline environmentof the uterusc. it takes millions to penetrate the outer layers ofthe oocyted. most are destroyed by capacitation
Under the influence of androgens, theembryonic ______ duct develops into themale reproductive tract.
Spermatogenesis takes place in the ________.a. prostate glandb. glans penisc. seminiferous tubulesd. ejaculatory duct
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 18.12 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_forwardWatch this video (http://openstaxcollege.org/l/spermpath) to explore the structures of the male reproductive system and the path of sperm that starts in the testes and ends as the sperm leave the penis through the urethra. Where are sperm deposited after they leave the ejaculatory duct?arrow_forwardDuring the menstrual cycle, a midcycle surge of _____ triggers ovulation. a. estrogen b. progesterone c. LH d. FSHarrow_forward
- 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 canalarrow_forwardA human blastocyst normally implants in ................. a. an oviduct c. the uterus b. a seminiferous tubule d. the vaginaarrow_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_forward
- Most of the bulk of semen is made by the ___________ . scrotum seminal vesicles seminiferous tubules prostate glandarrow_forwardThe tail of a sperm cell is a __________.arrow_forwardAfter ovulation, the mature follicles collapses, taking on a yellowish appearance to become the _________. Corona radiata Graafian follicle Corpus luteum Zona pellucida Degenerating folliclearrow_forward
- external 1. genitalia Male Reproductive System consists of contain coiled secrete consists of 8. penis 2. 4. is a consists of site of by 9. corpora cavernosa skin sac corpus spermato- genesis spermio- genesis interstitial cells spongiosum transports columns of in which in which encases erectile tissue 3. semen spermato- gonia epididymides testes that fill with to undergo undergo exterior blood physical change meiosis ducts glands to produce to produce to produce consists of 10. secrete consists of spermatids sperm ductus deferens • seminal vesicles 5. urethra fluid • prostate gland • bulbourethral glands Word Bank site of transports transports part of epididymides seminiferous tubules 6. 7. erection sperm sperm storage sperm maturation semen penile urethra spermatids to to scrotum testes semen testosterone urethra exterior © bluedoor, LLC Concept Map Use the word bank to fill in the blank spaces in the concept map.arrow_forwardQUESTION 1 Match the letters on the following reproductive organs to their correct name. LI. H. -J. 8. C.- -K. D. G. E.- F.arrow_forwardIn the absence of functional testes, both XX and XY genotypes will develop ____ internal sex structure. Kindly give an explanation too.arrow_forward
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