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Biology: Cell Structure & 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!

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Question 1 1. All of the following occur during interphase EXCEPT:

Question 2 2. The organelle that serves as a microtubule organizing center during cell division is the

Question 3 3. If the diploid chromosome count in humans is 46, how many pairs of homologous chromosomes are there?

Question 4 4. Otherwise known as one of two copies of a replicated chromosome

Question 5 5.

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 6 6. A chromosome may be defined as:

Question 7 7. 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 8 8. Which structure helps to fit large amounts of DNA fit into a tiny cell?

Question 9 9. What is true about the chromosomes in YOUR cells?

Question 10 10. Which organelle is described as the cell's detoxification center?

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Question 11 11. Chromosomes are maximally condensed at this step.

Question 12 12. Which of the following statements is true of chromatin?

Question 13 13. In general, how many chromosomes can usually be lost before it is considered a lethal event?

Question 14 14. Which of the following statements is TRUE?

Question 15 15. Organize these steps in the order in which they would occur during cell division.

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Question 16 16. A pathologist issued a report on the karyotype of a patient. A doctor might use this information to identify:

Question 17 17. Chromosome condensation:

Question 18 18. What do you think would happen if you were missing a chromosome?

Question 19 19. Select the gel-like substance that contains the organelles in a cell.

Question 20 20. During this step, the nuclear membrane breaks down.

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Question 21 21. 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 22 22. Different forms of a gene are called:

Question 23 23. A picture in which all of the homologous chromosomes of an organism have been stained and organized is called a(n):

Question 24 24. The process in which the duplicated DNA of a diploid cell is separated into two daughter cells is called:

Question 25 25.

Which of the following are primary functions of the centromere?

I. Hold sister chromatids together

II. Protect chromosomes

III. Repair DNA damage

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Question 26 26. The protein structure on a chromosome to which microtubules may attach is a

Question 27 27. Which of the following parts of a cell is the control center that contains DNA?

Question 28 28. 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 29 29. Chromosome de-condensation occurs during this step.

Question 30 30. 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?

Biology: Cell Structure & 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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