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Cell Division in Biology: 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!

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Question 1 1.

Place the following terms in order from the most basic structure in the cell to the most complex:

I. Gene

II. DNA

III. chromatin

IV. nucleosome

Question 2 2. The primary type of microtubule that positions the chromosome in preparation for mitosis is

Question 3 3. A protein that plays a central role in DNA folding

Question 4 4. Chromosome de-condensation occurs during this step.

Question 5 5. If the cell of a diploid organism (2n = 6) undergoes meiosis, how many different chromosome homologs are present in each daughter cell at the end of meiosis I?

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Question 6 6. A diploid cell which has one copy of chromosome 16 would be _____.

Question 7 7. Which of the following characteristics is unique to meiosis?

Question 8 8. Segregation of ribosomes in cell division occurs during _____.

Question 9 9. Sickle cell anemia results from a mutation in the hemoglobin gene on both homologous chromosomes. At conception, which of the following is a plausible explanation for why some people with this mutation might not be at risk of developing sickle cell anemia?

Question 10 10. All of the following occur during interphase EXCEPT:

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Question 11 11.

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

Question 13 13. Chromosomes are maximally condensed at this step.

Question 14 14. Crossing over occurs during which phase of meiosis?

Question 15 15.

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

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Question 16 16.

Which of the following statements about gametes are true?

I. In sexual reproduction, each parent provides genetic material for the formation of a gamete cell.

II. Gametes are produced by mitosis.

III. If a sexually reproducing organism is diploid, the gametes are haploid.

Question 17 17. During this step, the nuclear membrane breaks down.

Question 18 18. Which of the following statements is NOT true of meiosis?

Question 19 19. A picture in which all of the homologous chromosomes of an organism have been stained and organized is called a(n):

Question 20 20.

Place the following steps in the cell cycle into the order in which they occur.

I. G1

II. G2

III. S phase

IV. M phase

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Question 21 21.

Replication precedes which of the following types of cell division?

I. Mitosis

II. Meiosis I

III. Meiosis II

Question 22 22. 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 23 23. The primary type of microtubule that anchors the spindle poles in preparation for mitosis is

Question 24 24. If the cell of a diploid organism (2n = 6) undergoes meiosis, how many chromosomes are present in each daughter cell at the end of meiosis II?

Question 25 25. During animal cell division, actin filaments organize into the _____.

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Question 26 26. A scientist is studying an organism with a mutation which reduces the efficiency of tetrad formation. This defect would most likely affect the ability to:

Question 27 27.

Which of the following is an example of aneuploidy?

I. A haploid cell with one copy of chromosome 21

II. A diploid cell with three copies of chromosome 21

III. A diploid cell with four copies of the X chromosome

Question 28 28. Otherwise known as one of two copies of a replicated chromosome

Question 29 29.

Which of the following structures does NOT participate in the cell division of a sunflower cell?

I. Contractile ring

II. Cell plate

III. Vesicle

Question 30 30. If the cell of a diploid organism (2n=4) undergoes mitosis, how many chromosomes are present in each daughter cell?

Cell Division in Biology: 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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