Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 47, Problem 4TYK
Summary Introduction
To review:
The correctness and incorrectness of the statement, “Whether corpus luteum is retained upon implantation in the presence of the hCG (human chorionic gonadotropin).”
Introduction:
The hCG is the hormone, which prevents the degeneration of the corpus luteum. The hCG helps retain the corpus luteum upon implantation. The hormone is produced by the placenta after the implantation of the embryo.
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True or False.
This is secreted by the ovary ( follicle and corpus luteum ), causes proliferation of the endometrium . It is also responsible in developing and maintaining the female reproductive organs and secondary sexual characteristics associated with the adult female
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Chapter 47 Solutions
Biological Science (7th Edition)
Ch. 47 - Prob. 1TYKCh. 47 - Prob. 2TYKCh. 47 - Prob. 4TYKCh. 47 - Summarize the experimental evidence that Daphnia...Ch. 47 - Prob. 6TYUCh. 47 - 7. How do spermatogenesis and oogenesis in humans...Ch. 47 - 8. Give examples of negative feedback and positive...Ch. 47 - Prob. 9TYPSSCh. 47 - Prob. 11PIATCh. 47 - Prob. 12PIAT
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- Hypogonadism as a condition where the body does not produce enough testosterone. The symptoms of hypogonadism include infertility and a decrease in a secondary sex characteristics. There are two types of hypogonadism. Primary hypogonadism is caused by problems stemming from the testicles, and secondary hypogonadism is caused by problems stemming from the hypothalamus or the pituitary gland. Individuals with hypo gonad is him are often treated with testosterone replacement therapy. Draw or sketch a feedback loop for an individual with Primary Hypogonadism. When constructing a feedback loop: - Clearly label to structures are gonads involved in the feedback loop - Use arrows to indicate which way the signal is headed - Indicate whether the hormone levels are increasing or decreasing. - Include all the hormones involved in the feedback loop. - Don't forget to label whether the feedback loop is positive or negative and which way the feedback signals are headed. Draw or sketch a feedback…arrow_forwardIn menstruation, the functional layer is shed from the endometrium. Explain the hormonal and physical factors responsible for this shedding. (See Figure 25.19.)arrow_forwardIf pregnancy does not occur, the corpus luteum will disintegrate and turn into what is called the ? Corpus Albicans Corpus Allatum Corpus Cavernosum Corpus Callosumarrow_forward
- progesterone from the corpus luteum does which of the following: prepares the uterus for implantation, causes menstruation, drives follicle growth and egg maturation, or triggers ovulation.arrow_forwardThe term “progesterone” means “for gestation (or pregnancy).” Describe how progesterone helps prepare the female body for pregnancy and helps maintain pregnancy.arrow_forwardTRUE OR FALSE: Primary spermatocytes are diploid in number like spermatogonia. Secondary spermatocytes are haploid in number.arrow_forward
- Describe the hormonal control of spermatogenesis in terms of the hypothalamic-pituitarygonadal axis (HPG axis) – in this case, the hypothalamic-pituitary-testes axisList the anabolic and androgenic effects of testosteronearrow_forwardGive at least nine (9) physiologic actions of estrogenarrow_forwardsecondary sex characteristics The gonadotropin-releasing hormone has ultimate control over the male reproductive system because it secretes hypothalamus. androgen cerebral cortex seminiferous tubules GNRH stimulates the follicle-stimulating to produce the two gonadotropic hormones. interstitial cells testosterone In males, hormone promotes spermatogenesis in the hormone controls the production follicle-stimulating and of testosterone by luteinizing estrogen The main sex hormone in men is called and is responsible for the maturation of sperm and the as height, broad shoulders, muscle development, and a deep voice. such gonadotropin-releasing hormone hypothalamus anterior pituitaryarrow_forward
- TRUE OR FALSE During oogenesis, the second polar body forms the moment the oocyte is released from the ovarian folliclearrow_forwardwhich hormone is directly responsible for stimulating spermatogenesis? LH, FSH, testosterone, GnRH, or androgen binding protein.arrow_forwardTrue or False The stimulus for the initiation of menses is the LH surge.arrow_forward
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