WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 26, Problem 3MC
Summary Introduction
Introduction:
When a female mates with more than one male in a short time frame, there is greater competition among the sperms of the different males.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following correctly describes hermaphroditism?
A.
It is an example of sexual reproduction because it involves a male and a female.
B.
It is an example of asexual reproduction because only one individual needs to be involved.
C.
It is an example of sexual reproduction because it involves fusion of two gametes.
D.
It is an example of asexual reproduction because the offspring are genetically identical to the parent.
Which of the following statements does NOT correctly describe the similarities and differences between male and female reproductive systems?
Select one:
a. Millions of mature sperm are produced on a daily basis, whereas single mature ovum is released every 28 days.
b. Meiosis is completed in eggs after fertilization begins, whereas a mature sperm has completed meiosis prior to fertilization.
c. Eggs and sperm contain exactly half of the genetic material of a normal somatic cell. Many zygotes with an abnormal number of genetic material often do not successfully implant.
d. Eggs and sperm can survive for 3 to 5 days in the Fallopian tubes.
Which of the following is not a mechanism on how contraceptive pills work to prevent pregnancy?
A.
thinning the endometrium to prevent implantation
B.
inhibition of follicular development and suppression of ovulation
C.
progesterone inhibits the sperm from penetrating through the cervix and female upper tract by making the cervical mucus unfriendly
D.
stimulates the production of high testosterone levels
Chapter 26 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
Knowledge Booster
Learn more about
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
- Which of the following statement correctly describe the role of androgen in the male reproductive system? Select one: A. LH stimulates the Sertoli cell to produce inhibin and to start spermatogenesis. B. Increased levels of inhibin released by the interstitial cells result in lower levels of FSH and testosterone. C. Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus. D. GnRH is released by the anterior pituitary and stimulates the release of FSH and LH.arrow_forwardWhich of the following statements is NOT about follicle stimulating hormone (FSH) in the male reproductive system? Select one: a. It increases the production of inhibin. b. It is suppressed by increased levels of testosterone and inhibin. c. It is stimulated by GnRH and LH. d. It stimulates the seminiferous tubules to produce sperm.arrow_forwardDuring pregnancy,a. the ovarian and uterine cycles occur more quickly than before.b. GnRH is produced at a higher level than before.c. the ovarian and uterine cycles do not occur.d. the female secondary sex characteristics are not maintained.e. Both b and c are correct.arrow_forward
- Compared with external fertilization, in internal fertilization,a. male gametes have a higher chance to come into close proximity tofemale gametes.b. gametes are less protected against predation or other harmfulenvironmental factors.c. there is a decreased likelihood of desiccation of gametes.d. gametes come into contact only outside the mother’s reproductivetract.e. Both b and c are true of internal fertilization.arrow_forwardWhich of the following statements does NOT correctly describe the role of inhibin in the male reproductive system? Select one: a. Increased levels of inhibin suppress the production of follicle stimulating hormone. b. Low levels of inhibin result in decreased production of sperm. c. Sertoli cells produce sperm and secrete inhibin. d. Inhibin decreases the production of sperm.arrow_forwardWhich of the following does NOT correctly describe the role of inhibin in the male reproductive system? Select one: A. Sertoli cells produce sperm and secrete inhibin. B. Low levels of inhibin result in decreased production of sperm. C. Inibin decreases the production of sperm. D. Increased Level of inhibin suppress the production of follicle-stimulating hormonesarrow_forward
- If you add a chemical to an egg cell that prevents the fast and slow blocks from occurring but does not prevent the receptor proteins from interacting with sperm recognition proteins, which of the following will happen Group of answer choices A. All sperm would be able to enter the egg b. No sperm would be able to enter the egg c. Polyspermy by the same species would be possible but sperm of different species would be blocked d. Only sperm from different species would be able to enter the eggarrow_forwardThe testicles of male mammals are suspended in the scrotum because a. the optimum temperature for sperm production is less than the normal core body temperature of the organism. b. the optimum temperature for sperm production is higher than the normal core body temperature of the organism. c. there is not enough room in the pelvic area for the testicles to be housed internally. d. it is easier for the body to expel sperm during ejaculation.arrow_forwardWhich of the following scenarios does NOT describe an event that leads to the conception of twins? Select one: a. Two eggs are fertilized by two sperm cells, resulting in fraternal twins. b. Two eggs are fertilized by one sperm cell, resulting in monozygotic twins. c. High levels of FSH stimulates maturation of three ovums. d. One egg is fertilized by one sperm but divides into two zygotes, resulting in two babies of the same gender.arrow_forward
- Which of the following statements does NOT describe the role of luteinizing hormone (LH) in the female reproductive system? Select one: a. Suppresses the production of estrogen b. Causes the release of mature ovum from ovary c. Stimulates the development of the corpus luteum d. Stimulates the production of progesteronearrow_forwardThenumber of eggs laid by a female is called her:a.fertility.b.gonadosomatic index.c.growth form.d.rotundity.e.fecundity.arrow_forwardSuperovulation is when women take hormones in order to release more eggs for fertilization. Which of the following rows contains hormones that are involved in developing the follicles and releasing them from the ovary, respectively? What could be the unintended consequence of this process? Select one: a. Hormone Unintended Consequence FSH and LH The formation of twins or multiple births b. Hormone Unintended Consequence FSH and LH A tubal ligation c. Hormone Unintended Consequence FSH and LH Scar tissue on the Fallopian tubes d. Hormone Unintended Consequence LH and FSH Ovarian Cancerarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY