Biology Final test Review

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Anonymous
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253052
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Biology Final test Review
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2013-12-13 21:00:12
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Biology cell meiosis miosis
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Review for a final test
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  1. Reproduction of a single-cell organism to reproduce by replacing its genetic material and spliting the contents of one cell into two
    asexual reproduction
  2. The production of offspring whose genetic makeup comes from two parents
    sexual reproduction
  3. What cell division that gives rise to sex cells that are genetically different from each other?
    Meiosis
  4. Which of the following processes gives rise to gametes in humans?
    asexual reproduction
    binary fission
    meiosis
    mitosis
    meiosis
  5. Consists fo all the cell's genetic material, which is composed of one or more chromosomes containing DNA and associated proteins.
    Cell's genome
  6. Which of the following best describes the overall process of mitosis??
    a. The type of cell division that separates chromosomes and produces daughter cells with identical nuclei.
    b. The type of cell division that separates chromosomes and produces gametes.
    c. The type of cell division that separates chromosomes and produces daughter cells that are genetically different from one another.
    answer a)
  7. How many chromosomes an adult human have?
    46
  8. Is the process of the union of the sex cells
    Fertilization
  9. Cell division is necesary for an organism to 
    A. reproduce
    B. maintain internal constancy
    C. move
    D. consume energy
    A. reproduce
    (this multiple choice question has been scrambled)
  10. What cell division divides a eukaryotic cell's genetic information into two identical daughter cells?
    Mitosis
  11. In what cell cycle collectively, the cell is not dividing, but protein synthesis, cell growth, DNA replication, and basic cell functions are ocurring?
    Interphase
  12. Place these mitotic events in the order that they occur, beginning with the earliest event at the top.
    a. Sister chromatids separate
    b. Chromosomes condense and became visible.
    c. Nuclear envelope re-forms
    d. Nuclear envelope breaks up and spindle fibers attach to chromosomes
    e. Chromosomes align along the equator of the cell.
    • b.
    • d.
    • e.
    • a.
    • c.
  13. Since apoptosis is an intentional act on the part of the cell, it is sometimes referred to as "______cell death"
    a. haploid
    b. gametic
    c. programmed
    d. detrimental
    Programmed
  14. Once mitosis has begun, the checkpoint that allows a cell to progress into anaphase is called the_________ checkpoint
    Metaphase
  15. Part of the chromosome that stretch of DNA wrapped around proteins: become tightly arrayed during chromatin condensation.
    Nucleosome
  16. Part of the chromosome that is a place where two sister chroatids attach in a replicated chromosome.
    Centromere
  17. A part of the chromosome that replicates a copy of a chromosome.
    Chromatid
  18. Part of the chromosome that proteins around which DNA winds
    Histone
  19. During this phase of mitosis, the chromosomes begin to unwind and the nuclear envelope re-forms
    a. prometaphase
    b. Metaphase
    3. Telophase
    4. anaphase
    5. Prophase
    Telophase
  20. THe process of reaing a DNA strand and making a complementary DNA copy of that strand is called:
    a. DNA replication
    b. DNA transcription
    c. reverse transcription
    d. DNA translation
    DNA replication

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