Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 51, Problem 12TYU
Summary Introduction
Introduction: Fertilization process in sea urchin involves many steps such as fusion of egg and sperm cells, increase in the machinery of protein synthesis, the release of calcium ions into the cytoplasm of egg, and synthesis of a genetic material.
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Chapter 51 Solutions
Biology (MindTap Course List)
Ch. 51.1 - Prob. 1LOCh. 51.1 - Prob. 2LOCh. 51.1 - Prob. 1CCh. 51.1 - Prob. 2CCh. 51.2 - Prob. 3LOCh. 51.2 - Prob. 4LOCh. 51.2 - How do the mechanisms of fertilization ensure...Ch. 51.2 - Prob. 2CCh. 51.3 - Prob. 5LOCh. 51.3 - Contrast early development, including cleavage, in...
Ch. 51.3 - Prob. 1CCh. 51.3 - Prob. 2CCh. 51.3 - How do the amount and distribution of cytoplasm in...Ch. 51.4 - Identify the significance of gastrulation in the...Ch. 51.4 - Prob. 1CCh. 51.4 - How do the amount and distribution of yolk...Ch. 51.5 - Prob. 8LOCh. 51.5 - Prob. 9LOCh. 51.5 - Prob. 1CCh. 51.5 - Prob. 2CCh. 51.5 - Prob. 3CCh. 51.6 - Give the origins and functions of the chorion,...Ch. 51.6 - What are the roles of the chorion and amnion in...Ch. 51.6 - What are the functions of the allantois and yolk...Ch. 51.7 - Prob. 11LOCh. 51.7 - Prob. 12LOCh. 51.7 - Prob. 1CCh. 51.7 - How does the placenta form, and what is its...Ch. 51.7 - During which trimester does the cerebrum develop...Ch. 51.7 - Prob. 4CCh. 51 - The mechanism that leads directly to morphogenesis...Ch. 51 - Prob. 2TYUCh. 51 - Prob. 3TYUCh. 51 - Prob. 4TYUCh. 51 - Meroblastic cleavage is typical of embryos formed...Ch. 51 - Prob. 6TYUCh. 51 - Which of the following are mismatched? (a)...Ch. 51 - Prob. 8TYUCh. 51 - An unidentified substance (or substances) released...Ch. 51 - Which of the following consists of both fetal and...Ch. 51 - Prob. 11TYUCh. 51 - Prob. 12TYUCh. 51 - Prob. 13TYUCh. 51 - Prob. 14TYUCh. 51 - Prob. 15TYUCh. 51 - Prob. 16TYUCh. 51 - Prob. 17TYU
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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 blockarrow_forward12.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.5,1,2,4,3arrow_forwardIn vertebrate animals, spermatogenesis and oogenesis differ, in that 1.) Cytokinesis is unequal in oogenesis whereas it i equal in spermatogenesis 2.) spermatogenesis is not completed until after fertilization occurs, but oogenesis is completed by the time a girl is born 3.) Oogenesis produces four haploid cells, whereas spermatogenesis produces only one functional spermatozoon 4.) Oogensis ends at menopause. Whereas spermatogenesis is finished before birth 5.) Oogensis begins at the onset of sexual maturity whereas spermatogenesis happens in embryonic developmentarrow_forward
- 6. A male newborn has renal agenesis on the right. Which of the following primitive rudiments most likely failed to develop? OA) Intermediate mesoderm OB) Notochord C) Paramesonephric (müllerian) duct OD) Prechordal plate OE) Urogenital sinusarrow_forward1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the endoderm and the ectoderm because a) the ectoderm makes protein for movement, b) the endoderm cells release hydrolytic enzymes that act on polymers, c) the endoderm releases enzymes that carry out dehydration synthesis of proteins. d) mRNA polymerase causes transcription. e) all are correct. 2.The Amoeba cell exhibits specialized abilities that enable it to react to a stimulus by producing a response or a behavior. It can do this because it has adapted properties exhibited by simpler more primitive cells. These cellular properties include a) Separation of the fluid environments inside and outside the cell. b) Active transport of Na+ out of and K+ into the cell, c) diffusion of Na+ in to and K+ out of a cell in reaction to a stimulus, d) the stimulus interacting with a receptor site in a membrane embedded protein, e) All of these are true.arrow_forwardWhy is the ovum so much bigger than a sperm cell? 1)It already contains all the chromosomes that will determine the zygote's traits. 2)It must store enough food for the growth of the zygote into an embryo. 3)Its big size allows the sperm to locate it better inside the oviduct. 4)A big ega is easier to implant in the uterus after tertilization.arrow_forward
- 6. A male newborn has renal agenesis on the right. Which of the following primitive rudiments most likely failed to develop? OA) Intermediate mesoderm OB) Notochord OC) Paramesonephric (müllerian) duct OD) Prechordal plate OE) Urogenital sinusarrow_forwardIn the cnidaria the ectoderm cells are important because they can react to a stimulus (light) from the environment by exhibiting a response from their muscle cell as a directed movement. To do this ectoderm cells .... A) Are the first specialized digestive cells B) Are neurocytes that have membrane receptors which react to light C) Are prokaryotic cells D) Form the first digestive organ E) Are the only cells with the Na+/k+ pumps explain why 0arrow_forwardIf an egg cell were treated with EDTA, a chemical that bindscalcium and magnesium ions,(A) the acrosomal reaction would be blocked.(B) the fusion of sperm and egg nuclei would be blocked.(C) the fast block to polyspermy would not occur.(D) the fertilization envelope would not form.arrow_forward
- 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_forwardMeroblastic cleavage is typical of embryos formed from _______________ eggs. (a) moderately telolecithal (b) highly telolecithal (c) isolecithal (d) b and c (e) a, b, and carrow_forward5)What is the primary purpose of the fertilization membrane? a)Provide the growing embryo with food b)Serve as a barrier to protect the zygote from the environment c)Prevent multiple sperm from attempting to merge with an egg d)Hold the cells together when the zygote begins undergoing cell division e)None of these options is correctarrow_forward
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