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Cell Biology & Mitosis 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.

Which of the following are primary functions of the centromere?

I. Hold sister chromatids together

II. Protect chromosomes

III. Repair DNA damage

Question 2 2. How do large proteins enter the nucleus?

Question 3 3. What language does the word 'hydro' come from?

Question 4 4. The _____ is a double membrane that shields the nucleus.

Question 5 5. _____ is a protein that plays a central role in DNA folding.

Page 2

Question 6 6.

Which of the following roles in the cell could non-coding DNA perform?

I. Provide structural support at the end of chromosomes.

II. Encode a protein that will play a significant role in cell division.

III. Serve functional purposes.

Question 7 7. What is the purpose of cholesterol in the cell membrane?

Question 8 8. What is the fundamental unit of life?

Question 9 9. What is the maximum number of sister chromatids that can exist during mitosis for any given chromosome?

Question 10 10. Where is the starting point of ribosome synthesis?

Page 3

Question 11 11. The Fluid Mosaic Model describes parts of the cell membrane such as proteins and phospholipids as _____.

Question 12 12. Which of the following helps maintain the shape of the nucleus?

Question 13 13. Which of the following makes up flagella?

Question 14 14. A discrete unit of DNA that produces a protein that provides the functionality a cell needs is _____.

Question 15 15. The following cytoskeleton component(s) can be dynamic, shrinking and growing by adding and subtracting subunits:

Page 4

Question 16 16. If a human has forty-six chromosomes, what is the maximum number of chromatids that could be found in a cell in a normal human body?

Question 17 17. Which of the following is involved in cell communication?

Question 18 18. Which of the following does NOT take place in the nucleus?

Question 19 19. Which of the following is NOT true of the phosphate group in a phospholipid? The phosphate groups are…

Question 20 20. Which part of a phospholipid is hydrophobic?

Page 5

Question 21 21. Carbohydrates in the cell membrane contribute to which of the following?

Question 22 22. Microfilaments are composed of

Question 23 23.

Place the following terms in order building out from the most basic subunit to the entire genetic unit:

I. Gene

II. DNA

III. Chromatin

IV. Nucleosome

Question 24 24. How is the phospholipid bilayer oriented?

Question 25 25. What is another term for the intracellular space?

Page 6

Question 26 26.

Loss of one of the telomeres of a chromosome could result in which of the following?

I. Chromosome shortening

II. Loss of genomic information

III. An increase in chromosome number

Question 27 27. Which of the following functions is carried out by intermediate filaments but not microtubules?

Question 28 28. Which of the following is NOT a function of the cytoskeleton?

Cell Biology & Mitosis 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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