CAMPBELL BIOLOGY,VOL.II >CUSTOM<
17th Edition
ISBN: 9781323803677
Author: Urry
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
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.5,1,2,4,3
Chapter 47 Solutions
CAMPBELL BIOLOGY,VOL.II >CUSTOM<
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 - What are some functions of apoptosis in...Ch. 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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- Somites 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_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_forward1.What is the relationship of prolactin to hatching egg naturally? 2.What is the relationship between relative humidity and temperature inside the incubator compartment? 3.How does relative humidity effect embryonic devslopment? 4.What will happened to the developing embryo if all vents in the incubator are closed?why?arrow_forward
- Match each developmental stage with its description.arrow_forward___________ removes webs between developing digits. a. Gastrulation c. Apoptosis b. Lactation d. Implantationarrow_forwardTest Your Understanding 13 EVOLUTION LINK Contrast the biological advantages of hermaphroditism that involves cross-fertilization with hermaphroditism that involves self-fertilization.arrow_forward
- Figure 29.22 Which of the following statements about the parts of an amniotic egg are false? The allantois stores nitrogenous waste and facilitates respiration. The chorion facilitates gas exchange. The yolk provides food for the growing embryo. The amniotic cavity is filled with albumen.arrow_forwardA babys gender is determined at conception, and the different genitalia of male and female fetuses develop from the same tissues in the embryo. View this animation (http://openstaxcollege.org/l/fetus) that compares the development of structures of the female and male reproductive systems in a growing fetus. Where are the testes located for most of gestational time?arrow_forwardWhat mechanisms have evolved in animals with(a) external fertilization and (b) internal fertilizationthat help offspring survive to adulthood?arrow_forward
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