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Animal Reproduction and Development: Help and Review 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!

Page 1

Question 1 1. What are the three basic components of a functional mature sperm cell?

Question 2 2. In the early embryo, how are the positions of the mesoderm and endoderm different?

Question 3 3. The structure within the ovary in which a primary oocyte grows and develops is called the _____.

Question 4 4. In this drawing of a frog gastrula, which letter corresponds to the ectoderm?

Question 5 5. What is a fate map?

Page 2

Question 6 6. After gastrulation has occurred, the inner layer of cells is called what?

Question 7 7. Which of the following is NOT a factor that makes studying human development difficult?

Question 8 8. Which of the following is a true statement?

Question 9 9. Which of these cells only exists in the fallopian tube?

Question 10 10. The heart, blood vessels, blood cells, skeleton, kidney, spleen, and muscles are all tissues or organs that arise from what primary germ layer?

Page 3

Question 11 11. Which of the following is a somatic cell?

Question 12 12. How were Spemann and Mangold able to tell that the organizer was directing cells of the host embryo to change their fates?

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

Question 14 14. Which of the following refers to the underbelly side of an animal?

Question 15 15. Which of the following is NOT a true statement about the placenta?

Page 4

Question 16 16. Which of the following is the last stage of mammalian development to occur before implantation in the uterus?

Question 17 17. Which of the following is not a true statement about transcription factors?

Question 18 18. Which of the following best describes what can be found in chorionic villi?

Question 19 19.

The transcription of the following genes is regulated by the following combinations of binding sites.

Gene 1 is regulated by binding sites A, B and D

Gene 2 is regulated by binding sites A, D and F

Gene 3 is regulated by binding sites B, C and D

Gene 4 is regulated by binding sites B, D and E

Gene 5 is regulated by binding sites A, D and E.

If transciption factors TF-A, TF-B, TF-D and TF-E are all active in the cell, which genes will be transcribed?

Question 20 20. Why doesn't the outer layer of cells in the mammalian blastocyst become the ectoderm during mammalian gastrulation?

Page 5

Question 21 21. What is the biggest difference between a liver cell and a brain cell?

Question 22 22. What is a ligand?

Question 23 23. What is 'the node'?

Question 24 24. What is the function of the acrosome?

Question 25 25. What is a somatic cell?

Page 6

Question 26 26. Which of the following describes a zygote?

Question 27 27. Which extraembryonic membrane has a well-developed vascular structure that contributes to the vascular system of the developing mammalian embryo?

Question 28 28. Which part of the mammalian blastocyst will eventually become the embryo itself and its surrounding membranes?

Question 29 29. Select the set of events, in chronological order, as they occur during sexual reproduction in multicellular animals.

Question 30 30. How does cleavage differ from normal mitosis?

Animal Reproduction and Development: Help and Review 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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