Biology: A Guide to the Natural World

Chapter 9: End of Chapter Quiz

Brief Review

1. In what way does DNA help form and then maintain our bodies?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

2. The drawing shows a cell in a phase of mitosis. What phase is shown? How many chromatids are present in this stage? What is the total number of chromosomes each daughter cell will have? Please refer to the figure in your textbook to help you answer this question.  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

3. How do mitosis and cytokinesis differ?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

4. Name the four phases of mitosis and describe the major events occurring in each phase.  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

5. What additional cell structure must plant cells deal with when they are undergoing cytokinesis (as compared to animal cells)? Given this difference, how do plant cells carry out cytokinesis?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

6. In what way are the 23 pairs of human chromosomes "matched" chromosomes?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

7. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. What are the information-bearing "building blocks" of DNA?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

8. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. Where is DNA located in the cell?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

9. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. What does the "m" in mRNA stand for?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

10. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. Using this knowledge, what is the function of mRNA, and what is its cellular pathway?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

11. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. What are the building blocks of proteins?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

12. The protein synthesis pathway—DNA→mRNA→protein—is a very important concept in biology. Where does protein formation occur?  

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 




Copyright © 2003 by Prentice Hall, Inc. A Pearson Company Legal Notice