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ILTS Biology: Cell Cycle & Division 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. Otherwise known as one of two copies of a replicated chromosome

Question 2 2. Which of the following statements about asexual reproduction is NOT true?

Question 3 3. ____ reproduction is a form of reproduction in which offspring are produced from the union of ____ from two genetically different parents.

Question 4 4. A situation in which an otherwise diploid cell has three copies of a particular chromosome is known as _____.

Question 5 5.

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

I. Contractile ring

II. Cell plate

III. Vesicle

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Question 6 6.

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 7 7. Which of the following is NOT a characteristic of stem cells?

Question 8 8. Which of the following statements is TRUE?

Question 9 9. Where are pluripotent stem cells located?

Question 10 10.

A chromosome consists of two chromatids for AT LEAST part of this step EXCEPT:

I. G1

II. G2

III. M Phase

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Question 11 11. All of the following occur during interphase EXCEPT:

Question 12 12.

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 13 13. Segregation of ribosomes in cell division occurs during _____.

Question 14 14. During animal cell division, actin filaments organize into the _____.

Question 15 15. The new cell wall which forms between dividing plant cells during cytokinesis is known as the _____.

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Question 16 16. At conception, your mother contributed a gene that encoded for the sickle hemoglobin (hemoglobin S), while your father contributed the same gene that encoded for normal hemoglobin (hemoglobin A). Which of the following denotes the DNA structures which carry these variants?

Question 17 17. The egg cell of a rabbit, which is a diploid organism, has 22 chromosomes. How many chromosomes can be found in a rabbit's neuron cell?

Question 18 18. Two aberrant cells are found in the dividing skin tissue of an otherwise normal human. One cell has only one copy of chromosome 16, while the other has three copies. The cause of these aberrant cells is most likely due to _____.

Question 19 19. The process in which the duplicated DNA of a diploid cell is separated into two daughter cells is called:

Question 20 20. Why are adult stem cells useful?

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Question 21 21.

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

Question 22 22. If the diploid chromosome count in humans is 46, how many pairs of homologous chromosomes are there?

Question 23 23. Which of the following characteristics is unique to meiosis?

Question 24 24. All of the following statements are correct EXCEPT:

Question 25 25. Where do totipotent stem cells occur?

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Question 26 26. How many chromosomes can be lost before it is considered a lethal event?

Question 27 27. The failure of linked homologs or chromatids to separate during anaphase of mitosis or meiosis is known as _____.

Question 28 28. ____ reproduction is a form of reproduction from a single parent based on ____.

Question 29 29. A diploid cell which has one copy of chromosome 16 would be _____.

Question 30 30. 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?

ILTS Biology: Cell Cycle & Division 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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