EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Chapter 22, Problem 10LTB
Summary Introduction
Introduction:
The fertilization in humans is the process, in which the sperm and the ova meet in the fallopian tube to form a diploid zygote. For the fertilization to occur the sperm need to swim all the way through the female vagina, cervix, and uterus and then it needs to deliver the nucleus in the cytoplasm of the ova.
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Chapter 22 Solutions
EBK BIOLOGY
Ch. 22 - Prob. 1LTBCh. 22 - Describe the male and female reproductive...Ch. 22 - Describe gametogenesis in males and females.Ch. 22 - A sperm cell follows which path? seminiferous...Ch. 22 - An egg cell that is not fertilized follows which...Ch. 22 - Which of the following is mismatched? urethra:...Ch. 22 - Gametogenesis _________ . A. begins at puberty in...Ch. 22 - Prob. 8LTBCh. 22 - Prob. 9LTBCh. 22 - Prob. 10LTB
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- An egg cell originally comes from an unspecialized diploid cell called a(an)… Group of answer choices A. secondary oocyte B. follicle C. primary oocyte D. oviduct E. oogoniumarrow_forward1 3. Enzymes are important during the process of fertilization. What would be the anticipated consequences if the level of acrosin was low or non-existent in the acrosome? 5. The Sperm would not be able to break through the protective coat on the egg (zona pellucida). meaning the sperm are unable to fertilize anegg 4. The morula contributes to a layer that becomes the embryo and to cells that become the placenta. What are the names of these structures? Illustrate and label these layers/structures. What is the name of the outer cell layer of the blastocyst and what does it give rise to? Does this layer contribute to the development of the embryo? 6. Explain the origins of the blastocyst cavity and what purpose does it serve? 7. Describe implantation of a blastocyst using simple, labeled diagrams.arrow_forwardSome Steps Involved in the Process of Fertilization 1. Zygote 2. Morula 3. Оосyte 4. Fertilization 5. Cleavage 6. Blastocyst The order is which the steps numbered above occur in the process of fertilization is andarrow_forward
- Why is a second polar body expelled after fertilisation (select one) a. The oocyte must recativate the incomplete meiosis before fusing with the sperm b. To remove excess cytoplasm c. Before fusion with the sperm it must complete mitosis d. The fertilised oocyte is not a haploid cell until it expels the sperms mitochondriaarrow_forwardSubject (Developmental Biology) The Following are parts of sperm cell, what their importance in fertilization? A. Acrosomal Vesicle B. Nucleus C. Mid piece D. Mitochondrion E. Plama membrane F. Tailarrow_forwardDuring the embryonic period each of the three germ layers gives rise to a number of specific tissues & organs, one of the following statements is not true? O a. The intermediate mesoderm will give rise to the urogenital system. O b. Blood cells & blood vessels arise from the mesoderm. O c. Paraxial mesoderm is divided into small segment (blocks) known as somites. O d. Neurulation is the process by which the neural plate forms the gut tube. O e. In general, the ectoderm gives rise to structures & organs that maintain contact with the outside world. Clear my choicearrow_forward
- All of the following components of the sperm enter the secondary oocyte EXCEPT the 1. mitochondria 2. nuclear membrane 3. chromatin 4. flagellar microtubules 5. basal body Group of answer choices (A) 1 and 4 (B) 2 and 3 (C) 2, 3, and 4 (D) 2, 3, and 5 (E) 1, 2, 3, and 5arrow_forwardPart 1: The diagram below shows the main components of the male reproductive system. A B a) Name components A to F. Component Name A B C Figure. 1 Male Reproductive System Component Testis Vas Deferens Epididymis b) Relate the ture of the following components shown in Figure. 1 to the biological function they provide: Biological Function F Component Name D E F Structural Feature(s) Darrow_forwardFour spermatozoa arise from each:- a. primordial germ cell. b. type A spermatogonium. c. type B spermatogonium. d. secondary spermatocyte. e. spermatidarrow_forward
- Which of the following statements about oocytes and ovulation is correct? a. The production of primary oocytes continues in women from the onset of puberty until the onset of menopause. b. Meiotic divisions are complete at the time of ovulation. c. At ovulation, the structure released from the follicle includes a secondary oocyte and polar body. d. All of these statements are correctarrow_forwardOvary H&E 2. 5. _follicle 1. _cells 4. Stage of egg cell? _follicle 3. Stage of egg cell? 6. Membrana ASD TE Ovary H&E 7. Term applied to these follicular cells 9. Term for these follicular cells 10. 8. antrum oocytearrow_forwardOne day while walking across campus, you see a female butterfly laying fertilized eggs, as shown in the image: 1. What type of ovarioles would the adult female butterfly have (hint: remember the Order of butterflies)? a. Panoistic ovarioles b. Plasmatocytic ovarioles c. Polytrophic ovarioles d. Collaterial ovarioles e. Telotrophic ovarioles 2. Which combination of mechanisms would the butterfly use to supply vitellogenins/maternal mRNAs to the developing oocytes? a. Follicular epithelial cells/trophocytes contained within the follicle b. Apical cells of germarium/nutritive cords c. Follicular epithelial cells/nucleus of the oocyte d. Prefollicular tissue in germarium/trophoocytes that remain in germarium 3. Which statement is correct with respect to the hormonal regulation of the development of the ovaries and vitellogenesis in the adult female butterfly? (Hint: the processes are the same as in a female mosquito.) a.…arrow_forward
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