GRE Biology: The Cell Cycle 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. Otherwise known as one of two copies of a replicated chromosome

Question 2 2. ____ reproduction is a form of reproduction in which offspring are produced from the union of ____ from two genetically different parents.

Question 3 3. After meiosis I, each daughter cell contains:

Question 4 4. All of the following occur during interphase EXCEPT:

Question 5 5. Which of the following meiosis II events are correctly ordered?

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Question 6 6. During this step, the nuclear membrane breaks down.

Question 7 7. If the diploid chromosome count in humans is 46, how many pairs of homologous chromosomes are there?

Question 8 8.

Replication precedes which of the following types of cell division?

I. Mitosis

II. Meiosis I

III. Meiosis II

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

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Question 11 11.

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 12 12.

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

Question 14 14. What is the maximum number of sister chromatids that can exist during mitosis for any given chromosome?

Question 15 15. Which of the following statements is NOT true of meiosis?

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Question 16 16.

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 17 17. Chromosome de-condensation occurs during this step.

Question 18 18.

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 19 19. 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 20 20. The primary type of microtubule that anchors the spindle poles in preparation for mitosis is

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Question 21 21.

Which of the following are primary functions of the centromere?

I. Hold sister chromatids together

II. Protect chromosomes

III. Repair DNA damage

Question 22 22.

Sister chromatids segregate to opposite poles during which of the following types of cell division?

I. Mitosis

II. Meiosis I

III. Meiosis II

Question 23 23. ____ reproduction is a form of reproduction from a single parent based on ____.

Question 24 24. A discrete unit of DNA that produces a protein that provides the functionality a cell needs is

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.

Which of the following statements about gametes are true?

I. In sexual reproduction, each parent provides genetic material for the formation of either an egg or a sperm cell.

II. Gametes are produced by mitosis.

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

Question 27 27. Chromosomes are maximally condensed at this step.

Question 28 28. If the cell of a diploid organism (2n=4) undergoes mitosis, how many chromosomes are present in each daughter cell?

Question 29 29.

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

I. Mitosis

II. Meiosis I

III. Meiosis II

Question 30 30. The primary type of microtubule that positions the chromosome in preparation for mitosis is

GRE Biology: The Cell Cycle 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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