Praxis Biology: Cellular 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. During animal cell division, actin filaments organize into the _____.

Question 2 2. Which of the following meiosis II events are correctly ordered?

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

Question 4 4. After meiosis I, each daughter cell contains:

Question 5 5. Crossing over occurs during which phase of meiosis?

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Question 6 6.

Chromatids can be found in which of the following types of cell division?

I. Mitosis

II. Meiosis I

III. Meiosis II

Question 7 7. Organize these steps in the order in which they would occur during cell division.

Question 8 8. The organelle that serves as a microtubule organizing center during cell division is the

Question 9 9.

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

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Question 11 11. Which of the following statements is NOT true of meiosis?

Question 12 12. 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 13 13. 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 14 14. All of the following occur during interphase EXCEPT:

Question 15 15. A picture in which all of the homologous chromosomes of an organism have been stained and organized is called a(n):

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Question 16 16. The primary type of microtubule that positions the chromosome in preparation for mitosis is

Question 17 17.

The following are consequences of meiotic recombination:

I. Increased genetic diversity

II. Exchange of parts of homologous chromosomes

III. Stabilization of chromosomes at the metaphase plate

Question 18 18.

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 19 19. 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 20 20. Chromosomes are maximally condensed at this step.

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Question 21 21. Which of the following statements is TRUE?

Question 22 22.

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 23 23. Which of the following structures is unique to meiosis?

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. 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?

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Question 26 26.

Replication precedes which of the following types of cell division?

I. Mitosis

II. Meiosis I

III. Meiosis II

Question 27 27.

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

I. G1

II. G2

III. M Phase

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

Question 29 29. Otherwise known as one of two copies of a replicated chromosome

Question 30 30.

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

Praxis Biology: Cellular 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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