Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 36.4, Problem 3CC
Summary Introduction
To determine:
The effect on the menstrual cycle and fertility of the female in which STD led the complete blockage of both oviducts.
Introduction:
STD (sexually transmitted disease) is an infection that has chances of transmission between individuals by means of sexual relation (vaginal intercourse or oral sex). The STD can also be spread by the use of an infectious needle after it is used by an infected person, sometimes through childbirth or breastfeeding.
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Ther is a decrease in FSH in between the increase of FSH at the beginning of the menstrual cycle and surg of FSH before the ovulation. What causes it?
1. the positive feedback of E2
2. low inhibin level
3. the dominant follicle degenerated but the corpus luteum has not been formed
4. the corpus luteum degenerated but the dominant follicle has has not been formed
5. the negativ feedback of E2
6. the release of negative feedback of E2
. Describe the pre- and post- ovulation events of the menstrual cycle. How is menstruation prevented if pregnancyoccurs?
MARK MY CALENDAR!
Color/mark the date/s in the calendar as described by the following events of 28-
days menstrual cycle. The blood drop image indicates the first day of the cycle.
RED- uterus sheds its inner lining of soft tissue and blood vessels
BLUE-last day of the Follicular Phase
GREEN- a mature egg cell is released from the ovary
YELLOW- days of the Luteal Phase
MARK X- most fertile days
Chapter 36 Solutions
Campbell Biology in Focus
Ch. 36.1 - Prob. 1CCCh. 36.1 - Prob. 2CCCh. 36.1 - MAKE CONNECTIONS What examples of plant...Ch. 36.2 - Prob. 1CCCh. 36.2 - Why might using a hot tub frequently make it...Ch. 36.2 - Prob. 3CCCh. 36.2 - WHAT IF? If each vas deferens in a male was...Ch. 36.3 - Prob. 1CCCh. 36.3 - How does an estrous cycle differ from a menstrual...Ch. 36.3 - Prob. 3CC
Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - Prob. 3CCCh. 36 - Prob. 1TYUCh. 36 - The cortical reaction of sea urchin eggs functions...Ch. 36 - Prob. 3TYUCh. 36 - Prob. 4TYUCh. 36 - Prob. 5TYUCh. 36 - For which is the number the same in males and...Ch. 36 - Prob. 7TYUCh. 36 - Prob. 8TYUCh. 36 - FOCUS ON EVOLUTION Hermaphroditism is more often...Ch. 36 - Prob. 10TYUCh. 36 - Prob. 11TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How does the decrease in progesterone at the last weeks of pregnancy help to bling on labor? stimulating FSH production decreasing the levels of estrogens dilating the cervix decreasing the inhibition of uterine contractilityarrow_forwardFigure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.arrow_forwardThe Menstrual Cycle Place the events in the menstrual cycle in order starting with menstruation. 1 | Secretion of FSH starts 2 | Corpus luteum produces progesterone 3 A burst of LH is released 4 | Follicles produce estrogen : Ovulation occurs Follicles develop inside the ovaries 7 | Endometrium prepared for possible pregnancy 8 E Uterine lining is shed :::: ::::arrow_forward
- WHAT IF? If each vas deferens in a male was surgicallysealed off, what changes would you expect in sexualresponse and ejaculate composition?arrow_forwardselect ALL that are TRUE about sperm:☑️Meiosis is suspended twice in sperm development; meiosis of sperm is completed when the sperm penetrates an egg ☑️Both the activity of sperm flagella, and the contraction of uterine muscles, are required to propel sperm to the egg in a timely fashion ☑️Each of the four sperm formed by one meiotic event is genetically unique and haploid ☑️ Sperm secrete testosterone which stimulates sustentacular cells to help their development\arrow_forwardTim's semen analysis Semen Analysis Normal Tim Total volume 2.0 ml + 0.2 ml Sperm 20 million/ ml + 1.0 million/ concentration ml Motility 50%+ 76% Normal 30%+ 54% morphology Total sperm 40 million + 2.6 million count Total motile 20 million + 1.8 million sperm Total functional 6 million + 650,000 sperm How are Tim's varicoceles affecting the ability to conceive?arrow_forward
- is this correct?arrow_forwardDuring the follocular phase of the ovarian cycle, what does an increase in estrogen concentrations correlate with? 1-The degradation of a follicle containing an egg(oocyte) 2-The formation of the corpus luteum 3-The maturation of a follicle containing an egg(oocyte) 4- The degradation of teh corpus luteumarrow_forwardIs the female in this example pregnant? How do you know? Explain how the graph would change if the opposite was true (be sure to include how the differences occur).arrow_forward
- Q =ZFEnwngiKHy7x16iaAVFWd_WDmYw: 1670237180486&source=lnm... ols diagrammatic presentation Chegg fertilization positive LH S Ges Gin FSH High levels of estrogen in the blood exert release of inhibits menstruation female reproductive system Influence of hormones on the ovarian cycle Complete the following statements to assess your understanding of the influence that hormones produced by the anterior pituitary have on the ovarian cycle. Not all choices will be used. ovulation corpus luteum The increasing amount of progesterone in the blood the luteal phase comes to an end. N G g and to halt the follicular phase of the ovarian cycle. During the luteal phase, LH promotes the development of the progesterone. A spike in estrogen levels also causes a sudden secretion of a large amount of hypothalamus. This leads to a surge of LH, which causes cycle. During the follicular stage, from the anterior pituitary stimulates the development of an ovarian follicle, which produces estrogen and a small…arrow_forwardS 17. Summarize the development of the ovarian follicles as indicated below. Shape of follicular cells? Name of Follicle Oocyta (1º, 2º, or no oocyte present) (Flat or cuboidal) Zona pellucid a and zona radiata present 7 (Yes or no) Antrum Stage 7 of melos! s of the oocyte In the follicle (None, small, or large) N/A N/A How many go onto next stage of developme nt? If the ovulated oocyte is fertilized, the corpus luteum survives a few months; Otherwise, the corpus luteum becomes a corpus albicans. Oarrow_forwardUnderstanding the causes of infertility can be valuablein developing new birth control methods. Cite a type ofcontraceptive based on each of the following causes of infertility:(a) failure to ovulate due to a hormonal imbalance;(b) a large fibroid tumor that disturbs the uterine lining;(c) endometrial tissue blocking uterine tubes;(d) low sperm count (too few sperm per ejaculate).arrow_forward
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