Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 47, Problem 1TYU
Summary Introduction
Introduction: Fertilization is the process of formation of diploid zygote from the haploid sperm and egg. There are molecules at the surface of the egg which regulates the every step of fertilization. The sperm has to penetrate the protecting layer of egg fuse with the plasma membrane.
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12.Place the following events of the acrosomal reaction in the correct chronological order.
(1) The acrosome releases hydrolytic enzymes.
(2) Sperm-binding proteins on the membrane bind the sperm.
(3) Sperm nucleus enters the egg.
(4) Sperm and egg plasma membranes fuse.
(5) Sperm contacts the egg's jelly coat
(This is a multiple choice question choose the answer from the choices below)
A.1,2,4,3,5
B.3,5,2,1,4
C.5,2,4,3,1
D.5,1,2,4,3
Chapter 47 Solutions
Campbell Biology (10th Edition)
Ch. 47.1 - How does the fertilization envelope form in sea...Ch. 47.1 - Prob. 2CCCh. 47.1 - MAKE CONNECTIONS Review Figure 12.16 on cell...Ch. 47.2 - In the frog embryo, convergent extension elongates...Ch. 47.2 - WHAT IF? Predict what would happen if Ca2+ was...Ch. 47.2 - MAKE CONNECTIONS Unlike some other types of birth...Ch. 47.3 - Prob. 1CCCh. 47.3 - Prob. 2CCCh. 47.3 - Prob. 3CCCh. 47.3 - Prob. 4CC
Ch. 47 - What cell-surface event would likely fail if a...Ch. 47 - Prob. 47.2CRCh. 47 - Suppose you found two classes of mouse mutations,...Ch. 47 - Prob. 1TYUCh. 47 - Which of the following is common to the...Ch. 47 - The archenteron develops into a. the mesoderm. b....Ch. 47 - What structural adaptation in chickens allows them...Ch. 47 - Prob. 5TYUCh. 47 - In humans, identical twins are possible because a....Ch. 47 - Cells transplanted from the neural tube of a frog...Ch. 47 - DRAW IT Each blue circle in the figure below...Ch. 47 - EVOLUTION CONNECTION Evolution in insects and...Ch. 47 - Prob. 10TYUCh. 47 - Prob. 11TYUCh. 47 - Prob. 12TYUCh. 47 - SYNTHESIZE YOUR KNOWLEDGE Occasionally, two-headed...
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- 12.Place the following events of the acrosomal reaction in the correct chronological order.(This is a multiple choice question choose the answer from the choices below) choose the best answer. Thank you! (1) The acrosome releases hydrolytic enzymes. (2) Sperm-binding proteins on the membrane bind the sperm. (3) Sperm nucleus enters the egg. (4) Sperm and egg plasma membranes fuse. (5) Sperm contacts the egg's jelly coat A.1,2,4,3,5 B.3,5,2,1,4 C.5,1,2,4,3arrow_forwardSomites are evidence of (a) a structure from ectoderm, (b) a structure from endoderm, (c) a structure from lateral plate mesoderm, (d) segmentation in the human body.arrow_forwardThe main function of the acrosome reaction is to (a) activate the egg (b) improve sperm motility (c) prevent interspecific fertilization (d) facilitate penetration of the egg coverings by the sperm (e) cause fusion of the sperm and egg pronucleiarrow_forward
- 12. The diagram shows a male reproductive system. Name the parts labeled A, B, and C and give one function for each. b) Define fertilisation. 13. a) (i) Describe the human menstrual cycle. (ii) State and explain the most fertile phase in the cycle in (1). b) State the possible causes of infertility in females. 14. a) (1) Draw a labeled diagram of an ovum. (i) State and explain two differences between an ovum and a sperm. b) (i) State the possible causes of infertility in men. (ii) What is ovulation? TEST YOURSELF 18c [2] [6] [4] [2] SE DHE E Alternative to Practical Questions 15. a) Name one example of each stated contraceptive method and explain how it works. (1) Sterilisation method (ii) Natural method (iii) Barrier method b) The following process occurs during reproduction in humans. Lova (i) Name the process. (ii) Which sperm is successful in the process? 211 sperm [2] [2] EE (1) EEarrow_forwardDefine(a) Juvenile phase,(b) Reproductive phase,(c) Senescent phase.arrow_forwardWhich of the following statements about reproduction in humans is correct? (a) Fertilisation takes place externally. (b) Fertilisation takes place in the testes. (c) During fertilisation egg moves towards the sperm. (d) Fertilisation takes place in the human female.arrow_forward
- In male mammals, excretory and reproductive systems share(A) the vas deferens.(B) the urethra.(C) the seminal vesicle.(D) the prostate.arrow_forwardPart IlI: Discussion 1. How can you distinguish an unfertilized egg from a fertilized egg? 2. As development proceeds from zygote to morula, what happens to the: a. number of cells? b. size of cells? C. size of the cell mass? 3. Construct a table listing the three germ layers of the gastrula and the major body portions formed from each Jayer. 108 Lab 33arrow_forward2. The muscular system develops from which embryonic germ layer? a ) Ectoderm B ) Mesoderm D ) Endodermarrow_forward
- The fast block to polyspermy in sea urchins (a) is a depolarization of the egg plasma membrane (b) requires exocytosis of the cortical granules (c) includes the elevation of the fertilization envelope (d) involves the hardening of the jelly coat (e) is a complete blockarrow_forwardWhich of the following characterizesparthenogenesis?(A) An individual may change its sex during itslifetime.(B) Specialized groups of cells grow into newindividuals.(C) An organism is first a male and then a female.(D) An egg develops without being fertilized.arrow_forwardAquatic animals in which fertilisation occurs in water are said to be: (a) viviparous without fertilisation. (b) oviparous with external fertilisation. (c) viviparous with internal fertilisation. (d) oviparous with internal fertilisation.arrow_forward
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The Human Reproductive System; Author: Professor Dave Explains;https://www.youtube.com/watch?v=TucxiIB76bo;License: Standard YouTube License, CC-BY