BIOLOGY 101 TIDEWATER CC -W/ACCESS >IC
3rd Edition
ISBN: 9781259332319
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 35, Problem 12WIO
Summary Introduction
To describe:
The reason behind the adaptation of the pre-embryo to maintain the corpus luteum.
Concept introduction:
The LH hormone spikes during the mid of ovarian cycle and triggers ovulation. Another function of LH is to carry out the transformation of ruptured follicle to corpus luteum. In case if the fertilization takes place, the pre-embryo produces
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Chapter 35 Solutions
BIOLOGY 101 TIDEWATER CC -W/ACCESS >IC
Ch. 35.1 - Prob. 1MCCh. 35.1 - Prob. 2MCCh. 35.1 - Prob. 3MCCh. 35.2 - Prob. 1MCCh. 35.2 - Prob. 2MCCh. 35.2 - Prob. 3MCCh. 35.2 - Prob. 4MCCh. 35.3 - Prob. 1MCCh. 35.3 - Prob. 2MCCh. 35.3 - How do hormones regulate the ovarian and menstrual...
Ch. 35.3 - Prob. 4MCCh. 35.4 - Prob. 1MCCh. 35.4 - Prob. 2MCCh. 35.5 - 1. What is the role of the acrosome in...Ch. 35.5 - What are the relationships among the zygote,...Ch. 35.5 - What is implantation, and when does it occur?Ch. 35.5 - Prob. 4MCCh. 35.5 - Prob. 5MCCh. 35.5 - What are the events of the second and third...Ch. 35.5 - Prob. 7MCCh. 35.6 - Prob. 1MCCh. 35.6 - Prob. 2MCCh. 35.6 - Prob. 3MCCh. 35.7 - Prob. 1MCCh. 35.7 - Prob. 2MCCh. 35 - Prob. 1MCQCh. 35 - Which hormones play central roles in both male and...Ch. 35 - Prob. 3MCQCh. 35 - Why can't a fertilized polar body develop into a...Ch. 35 - Prob. 5MCQCh. 35 - Prob. 6MCQCh. 35 - What is the correct order of structures to develop...Ch. 35 - Prob. 8MCQCh. 35 - A baby born four weeks before its due date is most...Ch. 35 - A chemical that can cause a birth defect is a a....Ch. 35 - What is differentiation? How do protein gradients...Ch. 35 - Prob. 2WIOCh. 35 - Prob. 3WIOCh. 35 - What are the functions of LH and FSH in males and...Ch. 35 - Prob. 5WIOCh. 35 - Prob. 6WIOCh. 35 - Is each of the following cell types haploid or...Ch. 35 - Prob. 8WIOCh. 35 - 9. Describe some of the most common...Ch. 35 - Prob. 10WIOCh. 35 - What would happen if two sperm fertilized the same...Ch. 35 - Prob. 12WIOCh. 35 - Prob. 13WIOCh. 35 - Prob. 14WIOCh. 35 - 15. An ectopic pregnancy occurs when the preembryo...Ch. 35 - Prob. 17WIOCh. 35 - Prob. 16WIOCh. 35 - Prob. 18WIOCh. 35 - Most physicians clamp and cut the umbilical cord...Ch. 35 - Prob. 20WIOCh. 35 - Prob. 21WIOCh. 35 - What kinds of studies and information would be...Ch. 35 - Prob. 23WIOCh. 35 -
1. How are spermatogenesis and oogenesis similar,...Ch. 35 - Add ovulation to the concept map. What hormonal...Ch. 35 - Prob. 3PITCh. 35 - Add the terms placenta, follicle, polar body,...
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- Fraternal twins are nonidentical siblings that form when two eggs nature are released, and are fertilized at die same time. Explain why an unusually high level of FSH raises the likelihood of fraternal twins.arrow_forwardDifference between asexual and sexualarrow_forwardPuberty in girls- What principal signs of puberty, 3 stages- Why is age of menarche loweringarrow_forward
- Chronic sleep deprivation inhibited hypothalamic secretion of gonadotropin releasing hormone (GnRH) in male rats. If these finding are extrapolated to humans, explain how decreased GnRH with sleep deprivation would affect gonadotropins and sperm development in men (explain how decreased GnRH with sleep deprivation would affect Follicular stimulating Hormone (FSH), Luteinizing hormone, testosterone, and sperm development).arrow_forwardReproductive physiology (human) a) At the time of ovulation, the released ovum (egg) has completed both meiosis I and meiosis II. b) Because the corpus luteum (CL) is rescued from atresia by hCG early in pregnancy, the CL continues to produce progesterone throughout the 9 months of a normal pregnancy. c) Late in the follicular phase, estrogen participates in a positive feedback loop that leads to a surge in luteinizing hormone and ovulation. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correctarrow_forwardMs. S and Mr. J are having difficulty conceiving a child. Ms. S ovulates every 28 days, and Mr. J sperm count is normal. If we could observe Mr. J sperm about an hour after ejaculation, however, we’d see that they appear to be moving only sluggishly. When Mr. J sperm eventually encounter Ms. S oocyte, they appear to be incapable of generating an adequate acrosomal reaction. Which process has probably gone wrong?arrow_forward
- Predict the effect on the ovarian cycle of administering a relativelylarge amount of estrogen and progesterone just before the preovulatoryLH surge. Also predict the consequences of continually administeringhigh concentrations of GnRH.arrow_forwardDirection: Study the given series of events below. Arrange the sequence of the following events in chronological order by numbering each event from 1 to 5 according to the four phases of the menstrual cycle. Then, indicate on the space provided in which phase of the menstrual cycle does each event occur. Example answer: 3 Follicular Phase ___The body produces Human Chorionic Gonadotropin (HCG) if the mature egg is in order to maintain the thickness of the uterine lining for the fertilized to develop into an embryo. If not fertlized, the corpus luteum will be dissolved into the body and disappear and both hormone levels will fell. ______________________ ___The Mentrual cycle officially starts.______________ ___The pituitary gland releases Luteinizing Hormone as a result of rising levels of estrogen in order to stimulate the ovary to release a mature egg._________________arrow_forwardAt puberty, the testes contain a finite number of cells and producean enormous number of sperm cells during the life span of a male.Explain why testes do not run out of spermatogonial cellsarrow_forward
- Mammalian sperm don’t live very long after ejaculation.Therefore, for a rhino cow to become pregnant, the sperm must be placed in her vagina or uterus, whether by mating or by artificial insemination, at about the same time that ovulation occurs.The simplest way to ensure correct timing is to induce ovulation and have mating or artificial insemination the same day. How might ovulation be induced, in rhinos or in other mammals?arrow_forwardWhy would some hormones go through the cleavage process?arrow_forwardA 38-year-old male is upset about his low sperm count and visits a “practitioner” who commonly advertises his miracle cures for sterility. In fact, the practitioner is a quack who treats conditions of low sperm count with megadoses of testosterone. Although his patients experience a huge surge in libido, their sperm count is even lower after hormone treatment; why?arrow_forward
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