Chapter 12 Biology Test - Final

Last Updated By jeri on 04/26/2011
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If a somatic human cell is just about to divide, it has _____ chromatids

Answer:
a)  92
b)  23
c)  46
d)  0
e)  There is insufficient information given to answer question
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  • Which one of the following does not occur during mitosis?
    a)the movement of chromosomes to opposite poles
    b)condensed chromatin
    c)separation of chromatids
    d)replication of chromosomes
    e)alignment of chromosomes along the cell's equator
    d)alignment of chromosomes along the cell's equator
  • During what phase in the cell cycle, would you find the most DNA per cell?
    a)G1
    b)G2
    c)S1
    d)S
    e)prophase II
    b)prophase II
  • In telophase of mitosis, the mitotic spindle breaks down and the chromatin uncoils. This is essentially the opposite of what happens in _____.
    a)prophase
    b)interphase
    c)metaphase
    d)S phase
    e)anaphase
    a)anaphase
  • Assume that you are dealing with a species in which the number of chromosomes in each somatic cell is 14. How many sister chromatids are present in the early telophase of mitosis?
    a)0
    b)7
    c)14
    d)28
    e)none of the above
    a)none of the above
  • At which point in the cell cycle do centrosomes begin to move apart to two poles of the cell in a dividing human skin cell?
    a)S phase
    b)G2 phase
    c)prophase
    d)metaphase
    e)anaphase
    c)anaphase
  • The phase of mitosis during which the chromosomes move toward separate poles of the cell is _____.
    a)telophase
    b)anaphase
    c)metaphase
    d)prophase
    e)prometaphase
    b)prometaphase
  • One event occurring during prophase is _____.
    a)the beginning of the formation of a spindle apparatus
    b)the synthesis of a new nuclear envelope
    c)the alignment of chromosomes in a single plane
    d)cytokinesis
    e)division of the centromere
    a)division of the centromere
  • During anaphase of mitosis _____.
    a)the centromeres divide
    b)the centrioles are at opposite poles
    c)a spindle made of microtubules is present
    d)identical chromatids move to opposite poles
    e)all of the above
    e)all of the above
  • Which one of the following represents a mismatch or incorrect description?
    a)prophase: chromosomes become more tightly coiled
    b)metaphase: chromosomes line up on the equatorial plane
    c)metaphase: the nuclear envelope disappears
    d)anaphase: there is movement of the chromosomes to the poles
    e)telophase: chromosomes become more extended
    c)telophase: chromosomes become more extended
  • Sister chromatids separate during _____.
    a)anaphase
    b)G1 phase
    c)G2 phase
    d)metaphase
    e)prophase
    a)prophase
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Chapter 12 Biology Test   Final
Chapter 12 Biology Test - Final
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Free Quiz Question From Chapter 12 Biology Test - Final
Question: If a somatic human cell is just about to divide, it has _____ chromatids
Answer:
92
23
46
0
There is insufficient information given to answer question