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Washington EOC Biology Grade 10: Chromosomes & 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!

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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. During this step, the nuclear membrane breaks down.

Question 3 3. Chromosome condensation:

Question 4 4. Chromosomes are maximally condensed at this step.

Question 5 5. Which of the following statements is FALSE regarding mitosis?

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Question 6 6. Part of the cell cytoskeleton, these are a major component of the mitotic spindle.

Question 7 7. A pathologist issued a report on the karyotype of a patient. A doctor might use this information to identify:

Question 8 8.

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 9 9. The protein structure on a chromosome to which microtubules may attach is a

Question 10 10. The primary type of microtubule that positions the chromosome in preparation for mitosis is

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Question 11 11. The process in which the duplicated DNA of a diploid cell is separated into two daughter cells is called:

Question 12 12. A chromosome may be defined as:

Question 13 13.

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 14 14. 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 15 15. The organelle that serves as a microtubule organizing center during cell division is the

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Question 16 16. What is the proper order of the four stages of mitosis?

Question 17 17.

Which of the following events occur during prophase?

I. Centrosome duplication

II. Centrosome movement to the spindle poles

III. Centrosome organization of the spindle apparatus

Question 18 18. In which stage of mitosis do the chromosomes pull apart and move away from the center of the cell?

Question 19 19. Although not a stage of mitosis, this phase of a cell's life is when DNA is copied.

Question 20 20.

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.

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Question 21 21. The combination of multiple histones and DNA is called

Question 22 22. In which stage of mitosis do the chromosomes line up along the middle of the cell?

Question 23 23. Which of the following statements is true of chromatin?

Question 24 24. Chromosome de-condensation occurs during this step.

Question 25 25. What is the maximum number of sister chromatids that can exist during mitosis for any given chromosome?

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Question 26 26. A discrete unit of DNA that produces a protein that provides the functionality a cell needs is

Question 27 27. Organize these steps in the order in which they would occur during cell division.

Question 28 28. A picture in which all of the homologous chromosomes of an organism have been stained and organized is called a(n):

Question 29 29. The primary type of microtubule that anchors the spindle poles in preparation for mitosis is

Question 30 30. A protein that plays a central role in DNA folding

Washington EOC Biology Grade 10: Chromosomes & 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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