North-biology-cell-cycle1

25 Questions | Total Attempts: 36

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North-biology-cell-cycle1

This first test on the cell cycle.


Questions and Answers
  • 1. 
    The cell cycle has _____  steps or events.
    • A. 

      2

    • B. 

      5

    • C. 

      4

    • D. 

      6

    • E. 

      46

  • 2. 
    Below, select all that are steps or events of the cell cycle.
    • A. 

      Cytokinesis

    • B. 

      Mitosis

    • C. 

      Interphase

    • D. 

      Intercourse

    • E. 

      Cytolysis

  • 3. 
    What part of the cell contains the DNA and chromosomes?
    • A. 

      Vacuole

    • B. 

      Nuclear membrane

    • C. 

      Lysosome

    • D. 

      Nucleus

    • E. 

      Microtubules

  • 4. 
    Select the stages of interphase that are in the correct order.
    • A. 

      G1, S1, G2, S2

    • B. 

      G1, G2, S1, S2

    • C. 

      G1, S, G2

    • D. 

      G1, G2, S

    • E. 

      S, G1, G2

  • 5. 
    How many chromosomes are inside each DNA strand?
    • A. 

      1

    • B. 

      2

    • C. 

      46

    • D. 

      None

    • E. 

      One half

  • 6. 
    Why do cells make new cells? Select ONLY the correct reasons that apply:
    • A. 

      Replace old or damaged cells

    • B. 

      When the nerve cells are too large

    • C. 

      Grow the multicellular organism

    • D. 

      When they become too large to function

    • E. 

      Reproduction of an unicellular organism

  • 7. 
    Replicated DNA is shown below. What are the parts A and B? (image from Wikipedia)
    • A. 

      Chromatin, chromatid

    • B. 

      Chromatid, centromere

    • C. 

      Centromere, haploid

    • D. 

      Centriole, chromatid

  • 8. 
    A chromosome that is uncoiled is called _____
    • A. 

      Chromatid

    • B. 

      RNA

    • C. 

      Centromere

    • D. 

      Chromatin

    • E. 

      Chromium

  • 9. 
    Human DNA normally has ____.
    • A. 

      46 haploids

    • B. 

      46 chromosomes

    • C. 

      23 chromosomes

    • D. 

      23 diploids

  • 10. 
    In humans, there are ______ sex chromosome(s)
    • A. 

      1 for men and 1 for women

    • B. 

      2

    • C. 

      1

    • D. 

      46

  • 11. 
    The chromosomes that are NOT sex chromosomes are called ____.
    • A. 

      Autosomes

    • B. 

      Haploids

    • C. 

      Hetersomes

    • D. 

      Centrosomes

    • E. 

      Autopolyploids

  • 12. 
    Select the answer showing the last three events in the cell cycle that are in the correct order.
    • A. 

      G2, mitosis, cytokinesis

    • B. 

      S, mitosis, cytokinesis

    • C. 

      Cytolysis, mitosis, G2

    • D. 

      G1, S, G2

    • E. 

      G2, mitosis, cytolysis

  • 13. 
    How long can it take to complete the cell cycle?
    • A. 

      Seconds to minutes

    • B. 

      Minutes to hours

    • C. 

      Hours to days

    • D. 

      Days to weeks

  • 14. 
    Cells with complete sets of chromosomes (such  as fertilized eggs) are called _________.
    • A. 

      Haploids

    • B. 

      Diploids

    • C. 

      Autosomes

    • D. 

      Transcripted

    • E. 

      Duploids

  • 15. 
    Cells with half the chromosomes (such as unfertilized eggs) are called _____.
    • A. 

      Haploids

    • B. 

      Diploids

    • C. 

      Halfloids

    • D. 

      Autosomes

    • E. 

      Duploids

  • 16. 
    Select the answer with the phases of mitosis shown below in the correct order:
    • A. 

      C, D, B, A

    • B. 

      B, A, D, C

    • C. 

      A, B, C, D

    • D. 

      D, C, B, A

    • E. 

      D, B, A, C

  • 17. 
    During which stage is the DNA replicated?
    • A. 

      G1

    • B. 

      S2

    • C. 

      S

    • D. 

      G2

    • E. 

      G0

  • 18. 
    What stage of mitosis does the cell divides into 2 new cells?
    • A. 

      Telophase

    • B. 

      Anaphase

    • C. 

      G2

    • D. 

      None, it happens in cytokinesis

    • E. 

      None, it happens in cytolysis

  • 19. 
    The purpose of the cell cycle is __________.
    • A. 

      To expand the cell wall

    • B. 

      To make variations

    • C. 

      To make identical cells

    • D. 

      To make chromotids

    • E. 

      To eliminate cell wastes

  • 20. 
    Since sex cells have HALF the chromosomes, they are called halfloids. Choose the best response below.
    • A. 

      Wrong, they contain ALL the chromosomes and are called diploids

    • B. 

      Wrong, they are called haploids

    • C. 

      Wrong, they contain ALL the chromosomes

    • D. 

      Correct

  • 21. 
    Review: The group in a lab that is exposed to the variable is the  _____ group.
    • A. 

      Control

    • B. 

      Standard

    • C. 

      Experimental

    • D. 

      Observed

  • 22. 
    Review: The part of the cell that makes ribosomes is ____.
    • A. 

      Nucleolus

    • B. 

      Rough ER

    • C. 

      Golgi apparatus

    • D. 

      Leucoplast

  • 23. 
    Review: What type of process doesn't require energy but speeds up the transport of material into the cell through the  membrane?
    • A. 

      Osmosis

    • B. 

      Active transport

    • C. 

      Facilitated diffusion

    • D. 

      Exocytosis

  • 24. 
    Review: Proteins contain which of the following elements. Choose ALL that apply.
    • A. 

      C

    • B. 

      P

    • C. 

      O

    • D. 

      N

    • E. 

      Amino acids

    • F. 

      H