EP INQUIRY INTO LIFE-CONNECT ACCESS
16th Edition
ISBN: 9781260482546
Author: Mader
Publisher: MCG COURSE
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Textbook Question
Chapter 22, Problem S21.3BYB
Section 21.2 and 21.3 Where does fertilization usually occur, and what hormonal changes happen after fertilization?
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Chapter 22 Solutions
EP INQUIRY INTO LIFE-CONNECT ACCESS
Ch. 22.1 - Identify the major structures of a sperm cell and...Ch. 22.1 - Describe the steps involved in fertilization.Ch. 22.1 - Describe the cellular, tissue, and organ stages of...Ch. 22.1 - Outline the steps of fertilization, beginning with...Ch. 22.1 - Describe two ways that an oocyte avoids...Ch. 22.1 - Compare and construct the cellular and tissue...Ch. 22.1 - Identify the organ system that are formed from...Ch. 22.2 - Explain how cellular differentiation and...Ch. 22.2 - Explain how cytoplasmic segregation and induction...Ch. 22.2 - Describe how morphogen genes, homeotic genes and...
Ch. 22.2 - Describe two process that are associated with...Ch. 22.2 - Define the term “morphogen”.Ch. 22.2 - Explain the function of the homeobox sequence in a...Ch. 22.3 - Identify the extraembryonic membranes and provide...Ch. 22.3 - Summarize in chronological order, the major events...Ch. 22.3 - Describe the flow of blood in a fetus and explain...Ch. 22.3 - Besides tobacco, alcohol, and illegal drugs what...Ch. 22.3 - Prob. 1CYPCh. 22.3 - Summarize the major events by month during fetal...Ch. 22.3 - Describe the path of blood flow in the fetus...Ch. 22.3 - Explain the function of the placenta.Ch. 22.4 - Describe changes that occur in Indian psychology...Ch. 22.4 - Outline the stages of birth.Ch. 22.4 - Summarize the advantages of breast-feedingCh. 22.4 - Describe the psychological changes that occur in a...Ch. 22.4 - Identify the stage of parturition in which the...Ch. 22.4 - Define colostrum, and least three advantage of...Ch. 22.5 - Describe the factors that contribute to aging.Ch. 22.5 - Discuss the effects of aging on various body...Ch. 22.5 - What is the rule of the hippocampus, and how does...Ch. 22.5 - How might anti-inflammatory drugs slow the...Ch. 22.5 - Explain how telomeres influence cellular aging.Ch. 22.5 - Summarize how that may contribute to aging.Ch. 22.5 - Summarize the diseases that are associated with...Ch. 22 - Prob. S5.4BYBCh. 22 - Figure 21.3 and 21.7 What are the difference...Ch. 22 - Section 21.2 and 21.3 Where does fertilization...Ch. 22 - Only one sperm enters an egg because Sperm have an...Ch. 22 - The fusion of a sperm and then it will initially...Ch. 22 - Which primary germ layer is not correctly matched...Ch. 22 - Which process is responsible for the shape and...Ch. 22 - The ability of one embryonic tissue to the...Ch. 22 - The Identity of each segment of a development...Ch. 22 - Prob. 7ACh. 22 - Prob. 8ACh. 22 - Prob. 9ACh. 22 - Prob. 10ACh. 22 - Which of the following is increased in the mother...Ch. 22 - Prob. 12ACh. 22 - Prob. 13ACh. 22 - Mitochondria contain their own genetic material....Ch. 22 - Prob. 2TCCh. 22 - 3. Variety of fertility tests are available for...
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- What are some of the general differences in the mother and developing embryo/fetus between the first trimester and the second trimester? Between the second trimester and the third?arrow_forwardWhere does fertilizationusually occur, and what hormonal changeshappen after fertilization?arrow_forwardWhat is the advantage of external fertilization over internal fertilization?arrow_forward
- What are the actions of CRH, HPL, oxytocin, and prolactin during pregnancy?arrow_forwardWhich of the following is required for successful fetal development after the egg has been fertilized? a) That the corpus luteum remains throughout the pregnancy b) Production of estrogen (estradiol) and progesterone from the placenta c) Release of hCG (human chorionic gonatotropin) from the placentaarrow_forwardhCG, estrogen and progesterone are hormones that are secreted throughout pregnancy. Answer the following questions about these hormones. 1) What structure initially secretes estrogen & progesterone? 2)What structure takes over the role of secreting hCG, estrogen & progesterone in the second and third trimesters?arrow_forward
- Section 15.2 Review 1. In what ways does the fetal period of development differ from the embryonic period of development? 3. a) Which of the following is not a teratogen: x-rays, folic acid, alcohol, mercury, HIV, nicotine, tetracycline (an antibiotic), vitamin C? 2. During which trimester do the following events occur? b) Explain why the answer you chose in (a) is not a teratogen and why the others are. a) heart starts beating b) the body is larger in proportion to the head 4. What is parturition? c) fatty tissues are deposited beneath the skin d) brain cells are connecting to form more intricate 5. a) How many stages of parturition are there? networks b) Describe what occurs during each of these stages. e) external reproductive organs are distinguishable 6. Describe two hormonal changes that occur in the mother's body as parturition occurs. as male or female f) eyelashes form 7. Outline how hormones are involved in lactation and the suckling reflex. ICT g) contractions felt by the…arrow_forwardWhat is polyspermy and how is it achieved or inhibited in human fertilisation? Using a flowchart illustrate the positive feedback mechanism that occurs during (i) lactation and (ii) parturitionarrow_forwardWhat is internal fertilisastion?arrow_forward
- Where does fertilization usually take place?arrow_forwardWhere does fertilization normally occur?arrow_forwardQuestion 4. • a) Besides making gametes, ovaries and testes are endocrine glands. What endocrine products does each gonad make? b) Clearly describe the part of the ovary that makes hormones before ovulation. Is this part made of somatic or germ line cells? • c) Clearly describe the part of the testis that makes hormones. Is this part made of somatic or germ line cells?arrow_forward
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