Ch 12 Biology

40 Questions | Attempts: 133
Share
Quiz Flashcard
SettingsSettings
Please wait...
  • 1/40 Questions

    True or False? Mitosis takes place during the M phase, which is the longest phase of the cell cycle.

    • True
    • False
Please wait...
About This Quiz

Mitosis and sister chromatids. 5 phases of division.

Biology Quizzes & Trivia

Quiz Preview

  • 2. 

    Which term describes two recently replicated DNA strands that are joined together just before cell division?

    • Centromere

    • Centrosome

    • Sister Chromatid

    • Centriole

    Correct Answer
    A. Sister Chromatid
  • 3. 

    To which part of the centromere do mitotic spindle fibers attach during prometaphase

    • Microtubule

    • Kinetochore

    • Chromosome

    • Centriole

    Correct Answer
    A. Kinetochore
  • 4. 

    During which stage of mitosis are chromosome slined up in the center of the cell

    • Anaphase

    • Telophase

    • Metaphase

    • Prophase

    Correct Answer
    A. Metaphase
  • 5. 

    Which stage of mitosis is characterized by the didintegration of mitotic spindles and the formation of the two new nuclear membranes?

    • Metaphase

    • Prophase

    • Telophase

    • Anaphase

    Correct Answer
    A. Telophase
  • 6. 

    During which substage of mitosis do sister chromatids break apart and start moving to opposite poles of the cell?

    • Telophase

    • Metaphase

    • Prophase

    • Anaphase

    Correct Answer
    A. Anaphase
  • 7. 

    Cytokinesis often, but not always, accompanies _____.

    • Metaphase

    • Prometaphase

    • Telephase

    • Interphase

    • Anaphase

    Correct Answer
    A. Telephase
  • 8. 

    True or false? The M phase is characterized by the replication and division of a cell's chromosomes.

    • True

    • False

    Correct Answer
    A. False
  • 9. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1216q.swf this illustrates the events of _________.

    • Metaphase

    • Prometaphase

    • Anaphase

    • Prophase

    • Cytokinesis as it occurs in plant cells

    Correct Answer
    A. Cytokinesis as it occurs in plant cells
  • 10. 

    What event does NOT take place before the star of mitosis?

    • Organelle proliferate

    • DNA is replicated

    • The nuclear envelope disintegrates

    • The parent cell grows

    Correct Answer
    A. The nuclear envelope disintegrates
  • 11. 

    Which of the following events would cause the cell cycle to arrest?

    • Complete chromosome replication

    • Synthesis of cyclins by growth factors and activation of a cyclin-Cdk complex

    • Chromosomes lined up along the metaphase plate

    • Poor nutrient conditions

    Correct Answer
    A. Poor nutrient conditions
  • 12. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1215q.swf this illustrates the events of ________.

    • Cytokinesis as it occurs in plant cells

    • Interphase

    • Metaphase

    • Prometaphase

    • Anaphase

    Correct Answer
    A. Prometaphase
  • 13. 

    Which of the following is a function of the S phase in the cell cycle?

    • The separation of sister chromatids

    • The sorting of chromosomes

    • The synchronization of organelle division

    • The synthesis of sister chromatids

    Correct Answer
    A. The synthesis of sister chromatids
  • 14. 

    If an organism normally has 34 chromosomes, how many molecules of DNA should there be in the G1 phase of the cell cycle?

    • 34

    • 68

    • 17

    • 136

    Correct Answer
    A. 34
  • 15. 

    Centromeres divide and sister chromosomes become full-fledged chromosomes during _____.

    • Telopohase

    • Anaphase

    • Metaphase

    • Prometaphase

    • Interphase

    Correct Answer
    A. Anaphase
  • 16. 

    Chromosomes become visible during _____.

    • Interphase

    • Metaphase

    • Prometaphase

    • Prophase

    • Anaphase

    Correct Answer
    A. Prophase
  • 17. 

    Which of the following is/are difference(s) between the fission of a bacterium and mitosis in human cells?

    • Duplicated bacterial chromosomes attach to the plasma membrane. Duplicated human chromosomes are attached to each other.

    • Bacteria are smaller and simpler than human cells.

    • Human chromosomes are larger and more complex.

    • A bacterium has only one chromosome, human chromosomes are paired.

    • All of the above are differences between the fission of a bacterium and human cell division.

    Correct Answer
    A. All of the above are differences between the fission of a bacterium and human cell division.
  • 18. 

    During prophase a homologous pair of chromosomes consists of _____.

    • Two chromosomes and two chromatids

    • One chromosome and four chromatids

    • One chromosome and two chromatids

    • Four chromosomes and two chromatids

    • Two chromosomes and four chromatids

    Correct Answer
    A. Two chromosomes and four chromatids
  • 19. 

    A human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. How many chromatids does it contain

    • 92

    • 23

    • 46

    • 23 or 46, depending on the portion of prophase examined

    • 46 or 92, depending on the portion of prophase examined

    Correct Answer
    A. 92
  • 20. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1212q.swfThis animation illustrates the events of _____.

    • Metaphase

    • Cytokinesis as it occurs in animal cells

    • Prometaphase

    • Cytokinesis as it occurs in plant cells

    • Prophase

    Correct Answer
    A. Cytokinesis as it occurs in animal cells
  • 21. 

    Spindle fibers attach to kinetochores during _____.

    • Interphase

    • Anaphase

    • Metaphase

    • Telophase

    • Prometaphase

    Correct Answer
    A. Prometaphase
  • 22. 

    Which of the following is a function of meiosis but not mitosis in eukaryotes?

    • Production of animal gametes

    • Repair of damaged organs

    • Cell replacement

    • Asexual reproduction

    • Growth

    Correct Answer
    A. Production of animal gametes
  • 23. 

    The copying of chromosomes occurs during which of the following phases of the cell cycle?

    • S pahse

    • G2 phase

    • M phase

    • G1 phase

    Correct Answer
    A. S pahse
  • 24. 

    For the first several divisions of early frog embryos, cells proceed directly from the M phase to the S phase and back to M without gaps. Which of the following is likely to be true about dividing cells in early frog embryos?

    • The cells get smaller with each generation

    • The cells do not divide by mitosis.

    • The number of chromosomes decreases with each generation

    • Frog embryos do not have DNA.

    Correct Answer
    A. The cells get smaller with each generation
  • 25. 

    During ________ both the contents of the nucleus and the cytoplasm are divided.

    • Mitotic phase

    • Mitosis

    • G2

    • G1

    • S

    Correct Answer
    A. Mitotic phase
  • 26. 

    Nucleoli are present during _____.

    • Interphase

    • Metaphase

    • Prophase

    • Prometaphse

    • Anaphase

    Correct Answer
    A. Interphase
  • 27. 

    In some organisms such as certain fungi and algae, cells undergo the cell cycle repeatedly without subsequently undergoing cytokinesis. What would result from this?

    • Inability to duplicate DNA

    • Large cells containing many nuclei

    • Division of the organism into many cells, most lacking nuclei

    • A decrease in chromosome number

    • A rapid rate of gamete production

    Correct Answer
    A. Large cells containing many nuclei
  • 28. 

    Which of these is NOT a carcinogen?

    • UV light

    • Testosterone

    • Cigarette smoke

    • Fat

    • All of the above are carcinogens

    Correct Answer
    A. All of the above are carcinogens
  • 29. 

    It is difficult to observe individual chromosomes with a light microscope during interphase because _____.

    • They leave the nucleus and are dispersed to other parts of the cell

    • Sister chromatids do not pair up until division starts

    • The DNA has not been replicated yet

    • They have uncoiled to form long, thin strands

    • The spindle must move them to the metaphase plate before they become visible

    Correct Answer
    A. They have uncoiled to form long, thin strands
  • 30. 

    The kinetochores _____.

    • Of each spindle interdigitate at the cell's equator and then move apart, causing the cell to elongate

    • Are the primary centromere structures that maintain the attachment of the sister chromatids prior to mitosis

    • Attach to the ring of actin along the cytoplasmic surface of the plasma membrane, causing the actin to contract to form the cleavage furrow

    • Are sites at which microtubules attach to chromosomes

    • Are located at the center of the centrosome; their function is to organize tubulin into elongated bundles called spindle fibers

    Correct Answer
    A. Are sites at which microtubules attach to chromosomes
  • 31. 

    Which of the following correctly matches a phase of the cell cycle with its description?

    • S: immediately precedes cell division

    • G2: cell division

    • M: duplication of DNA

    • G1: follows cell division

    • All of the above are correctly matched.

    Correct Answer
    A. G1: follows cell division
  • 32. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1213q.swf This animation illustrates the events of _____.

    • Anaphase

    • Prometaphase

    • Interphase

    • Prophase

    • Telophase

    Correct Answer
    A. Prophase
  • 33. 

    A benign tumor, but not a malignant tumor, is one in which the cancerous cells _____.

    • Have an unusual number of chromosomes

    • Migrate from the initial site of transformation to other organs or tissues

    • Remain confined to their original site

    • Are the result of the transformation of normal cells

    • Can divide indefinitely if an adequate supply of nutrients is available

    Correct Answer
    A. Remain confined to their original site
  • 34. 

    _____ is a carcinogen that promotes colon cancer.

    • Fat

    • UV light

    • Estrogen

    • A virus

    • Testosterone

    Correct Answer
    A. Fat
  • 35. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1214q.swf this illustrates the events of ________.

    • Metaphase

    • Telophase

    • Prophase

    • Anaphase

    • Prometaphase

    Correct Answer
    A. Metaphase
  • 36. 

    Cells will usually divide if they receive the proper signal at a checkpoint in the _____ phase of the cell cycle

    • Cytokinesis

    • M

    • G2

    • G1

    • S

    Correct Answer
    A. G1
  • 37. 

    During ________ the cell grows and replicates both its organelles and its chromosomes

    • Cytokinesis

    • S

    • Mitosis

    • Interphase

    • G1

    Correct Answer
    A. Interphase
  • 38. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1217q.swf this illustrates the events of ________.

    • Telophase

    • Metaphase

    • Prophase

    • Anaphase

    • Prometaphase

    Correct Answer
    A. Telophase
  • 39. 

    Cytochalasin B is a chemical that disrupts microfilament formation. This chemical would interfere with _____.

    • Formation of the mitotic spindle

    • Binary fission

    • Cleavage

    • Formation of the cell plate

    • DNA replication

    Correct Answer
    A. Cleavage
  • 40. 

    Http://media.pearsoncmg.com/bc/bc_campbell_biology_8/img/activities_quizzes/1211q.swfThis animation illustrates the events of _____.

    • Metaphase

    • Interphase

    • Prophase

    • Anaphase

    • Telophase

    Correct Answer
    A. Anaphase

Quiz Review Timeline (Updated): Mar 18, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 27, 2010
    Quiz Created by
    Dominique1.avery

Popular Topics

Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.