FREE BIOLOGY AND STUDY GAMES ABOUT MITOSIS:

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FREE BIOLOGY AND STUDY GAMES ABOUT MITOSIS:

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Homologous chromosomes

Answer:

carry information about the same traits located in the same places on the chromosomes.Question 2: The normal function of the p53 gene in the cell isA) as a tumor-suppressor gene.

• to monitor the DNA for damage.
• to trigger the destruction of cells not capable of DNA repair.
• All of the above.

Answer:

• All of the above.

Question 3: When cell division becomes unregulated, and a cluster of cells begins to grow without regard for the normal controls, that is called

Answer:

cancer

Question 4: Normal human cells can go on dividing indefinitely.A) True

• False

Answer:

False

Question 5: A chromosome is a single, long DNA molecule in a compact formation.

• True
• False

Answer:

True Question 6: In the complex cell cycle, cell division preparation continues with the replication of mitochondria and chromosome condensation during which phase?

Answer:

G2

Question 7: Which phase of mitosis is associated with separation of chromatids?

Answer:

anaphase Question 8: Meiosis is the mechanism of cell division that occurs in an organism's non-reproductive cells or somatic cells.

• True
• False

Answer:

False

Question 9: Which of the following is a cancer-causing gene?

Answer:

an oncogene Question 10: The chromosome number in species increases as you climb the evolutionary tree, plants having lower numbers and animals having higher numbers.

Answer:

False

Question 11: Which phase of mitosis is associated with chromosomes aligned at the center of the cell?

Answer:

metaphase Question 12: A growth disorder in cells that starts when an apparently normal cell begins to grow in an uncontrolled and invasive way is called

Answer:

cancer Question 13: Which phase of mitosis is associated with formation of the nuclear envelope?

Answer:

telophase Question 14: In mitosis, when the duplicated chromosomes line up in the center of the cell, that stage is called

Answer:

metaphase Question 15: The division of the cytoplasm in the eukaryotic cell cycle is called

Answer:

cytokinesis

Question 16: Bacteria divide through a process called binary fission.

• True
• False

Answer:

True Question 17: Chromosomes exist in somatic cells as nearly identical copies of each other called

Answer:

homologous chromosomes

Question 18: The eukaryotic cell cycle is different from prokaryotic cell division in all the following ways except

Answer:

in the production of daughter cells.

Question 19: Cytokinesis takes place during metaphase.A) True

• False

Answer:

False Question 20: During cell division, microtubules form a network of protein cables.

• True
• False

Answer:

True Question 21: Interphase is the first phase of the cell cycle in which the cell rests.

• True
• False

Answer:

False

Question 22: Cancer can be caused by chemicals that mutate DNA.

• True

Answer:

True Question 23: A human embryo can lack one chromosome and still function properly as there are 45 more chromosomes to make up the difference.

• True
• False

Answer:

False