CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 52, Problem 1U
Summary Introduction
Introduction:
Fertilization is a process in which haploid male gamete (sperm) fuses with the haploid female gamete (egg or ovum) that result in the formation of diploid zygote. The zygote further develops into blastula, gastrula that later results in the formation of an embryo.
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A chemical that prevents acrosomal proteins from interacting with proteins on the egg membrane would have which of the following immediate effects (i.e. which would happen first)?
Group of answer choices
A. Prevention of the fast block
B.) Prevention of sperm recognition
C.) Explosion of the egg into millions of tiny pieces
D. Prevention of polyspermy
E. Prevention of the slow block
which of the following does not aid the sperm in fertilization?
a. hyaluronidase & protease
b. flagellum development
c. increase mitochondria
d. acrosomes
e. cytoplasmic bridge
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 egg
Chapter 52 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
Ch. 52.1 - Describe the events involved in fertilization.Ch. 52.1 - Prob. 2LOCh. 52.2 - Prob. 1LOCh. 52.2 - Prob. 2LOCh. 52.2 - Prob. 3LOCh. 52.3 - Prob. 1LOCh. 52.3 - Compare gastrulation in different animals.Ch. 52.3 - Name the extraembryonic membranes in amniotes.Ch. 52.4 - Prob. 1LOCh. 52.4 - Prob. 2LO
Ch. 52.4 - Prob. 3LOCh. 52.5 - Prob. 1LOCh. 52.5 - Explain the function of the organizer.Ch. 52.5 - Distinguish between primary and secondary...Ch. 52.6 - Describe the major developmental events in the...Ch. 52.6 - Explain the role of the placenta.Ch. 52.6 - Prob. 3LOCh. 52 - Data analysis Two different genes have mutant...Ch. 52 - Prob. 1IQCh. 52 - Prob. 1UCh. 52 - Which of the following plays the greatest role in...Ch. 52 - Gastrulation is a critical event during...Ch. 52 - Gastrulation in a mammal would be most similar to...Ch. 52 - Prob. 5UCh. 52 - Of the following processes, which occurs last? a....Ch. 52 - Which of the following would qualify as a...Ch. 52 - Prob. 1ACh. 52 - In the Spemann experiment, when the dorsal lip is...Ch. 52 - Suppose that a burst of electromagnetic radiation...Ch. 52 - Prob. 4ACh. 52 - Drug or alcohol exposure during which of the...Ch. 52 - Axis formation in amniotic embryos could be...Ch. 52 - Prob. 1SCh. 52 - You look up from your studying to see your dog,...Ch. 52 - Why doesnt a woman menstruate while she is...Ch. 52 - Spemann and Mangold were able to demonstrate that...
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- 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 levelsarrow_forwardA) The correct order of chronological order of developmental events is a. 1.cleavage 2. Fertilisation 3. Gastrulation 4. Blastocyst b. 1. Morula 2. Bilaminar disc 3. Gastrulation 4. Neurulation c. 1. Fertilisation 2. Morula 3. Gastrulation 4.Bilaminar disc d. 1. Fertilisation 2. Cleavage 3. Bilaminar disc 4. Morula B) Which of the following is an example of a long- term cellular response to an extra cellular signal? a. Movement of secretory vesicles to the cll membrane b. Increased portion synthesis leading to cell growth c. Activation of the second messenger CAMP d. Increased movement of glucose into the cll via GLUT transportersarrow_forwardWhich of the following does NOT happen in the germinal period? a. dividing mass of cells travels to the uterus b. developing organs can be affected by toxins passing through the placenta c. mass of cells form a hollow ball d. cells begin to differentiate.arrow_forward
- How can PID (pelvic inflammatory disease) lead to infertility in women? Select one: a. PID can lead to scar tissue developing on the Fallopian tube. This prevents the egg and the sperm from meeting, causing infertility. b. PID prevents the endometrium from forming. There is not enough material for the fertilized egg to implant itself. c. PID leads to scar tissue on the corpus luteum. This disrupts ovulation. d. PID affects the cervix. This causes the cervix to swell, decreasing the chance a sperm could pass into the uterus.arrow_forwardGastrulation... A. Is a specialized form of cell division that partitions the cytoplasm of a fertilized egg B. Refers to the fusion of haploid gametes to give a diploid zygote C. Produces an embryo with either two or three distinct cell layers D. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space E. None of the abovearrow_forwardWhat happens to the stratum functionalis of the endometrium during menstruation? Group of answer choices a.it gets larger and more energy-rich b.it develops into the myometrium c.it allows implantation of the embryo d.it is sloughed offarrow_forward
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