Animal Reproduction and Development: Homework Help Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following statements is true about the intervillous space?

Question 2 2. When and how does the blastocyst use proteases?

Question 3 3. The following image shows a diagram of spermatogenesis, the process by which male gametes, known as sperm, are created. How is this process different from oogenesis?

Question 4 4. What do the trophoblasts do after the blastocyst attaches to the uterine wall?

Question 5 5. Which of the following is the last stage of mammalian development to occur before implantation in the uterus?

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Question 6 6. Select the set of events, in chronological order, as they occur during sexual reproduction in multicellular animals.

Question 7 7. What is the biggest difference between a liver cell and a brain cell?

Question 8 8. During oogenesis, when does the first meiotic division take place?

Question 9 9. Which of the following is a true statement?

Question 10 10. In humans, when are primary oocytes made?

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Question 11 11. Which of the following is NOT a factor that makes studying human development difficult?

Question 12 12. When chordin binds to BMP-4, what effect does this have on the BMP-4 concentration gradient?

Question 13 13. Which of the following is not an organizer?

Question 14 14. What is the function of the acrosome?

Question 15 15.

Which of the following contribute to the formation of the concentration gradient of BMP-4 in the frog embryo?

A. BMP-4 is produced in the ventral portion of the embryo

B. Chordin is produced in Spemann's Organizer

C. Chordin inhibits BMP-4

D. Xolloid is produced in the ventral portion of the embryo.

E. Xolloid degrades chordin.

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Question 16 16. Which of the following refers to the underbelly side of an animal?

Question 17 17. What is 'the node'?

Question 18 18. Which extraembryonic membrane functions to remove waste from the embryo in both birds and mammals?

Question 19 19. Which embryonic stage consists of a solid, compact mass of sixteen or more cells?

Question 20 20. Which of the following is true about sperm?

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Question 21 21. Which of the following is a somatic cell?

Question 22 22. Mary is pregnant and is telling you about how she is worried that her baby is floating around in her uterus with nothing holding him in place. Which of the following would be most helpful to tell Mary about in order to ease her worries?

Question 23 23. After gastrulation has occurred, the inner layer of cells is called what?

Question 24 24. Which of the following is not a true statement about transcription factors?

Question 25 25. Which part of the mammalian blastocyst will eventually become the embryo itself and its surrounding membranes?

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Question 26 26. Which extraembryonic membrane is used by mammals to form part of the placenta?

Question 27 27. What is the main purpose of gastrulation?

Question 28 28. What are the three basic components of a functional mature sperm cell?

Question 29 29. Forty sperm are made by the end of spermatogenesis. How many spermatogonium entered meiosis?

Question 30 30. Out of the following organisms, which one would you expect to have the least complete and detailed fate map?

Animal Reproduction and Development: Homework Help Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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