Chapter 12 Biology Test - Final

Last Updated By jeri on 04/26/2011
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The complex of DNA and protein that makes up a eukaryotic chromosome is properly called _____.

Answer:
a)  a chromatid
b)  a chloroplast
c)  chromatin
d)  a chromoplast
e)  a centrosome
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  • The region of a chromosome holding the two double strands of replicated DNA together is called _____.
    a)chromatin
    b)a centriole
    c)a centromere
    d)a chromatid
    e)an aster
    c)an aster
  • If an intestinal cell in a grasshopper contains 24 chromosomes, a grasshopper sperm cell would contain _____ chromosomes
    a)3
    b)6
    c)12
    d)24
    e)48
    c)48
  • The centromere is a region in which _____.
    a)chromosomes become aligned during metaphase
    b)microtubules are fastened to the centrioles during anaphase
    c)the new cell plate forms in telophase
    d)sister chromatids are attached to one another in prophase
    e)the chromosomes are connected to the cell plate in metaphase
    d)the chromosomes are connected to the cell plate in metaphase
  • How many maternal chromosomes are present in a somatic human cell not engaged in cell division?
    a)23
    b)46
    c)92
    d)184
    e)none of the above
    a)none of the above
  • A cell entering the cell cycle with 32 chromosomes will produce two daughter cells, each with _____.
    a)16
    b)32
    c)32
    d)64
    e)none of the above
    c)none of the above
  • "Cytokinesis" refers to _____.
    a)division of the entire cell
    b)division of the nucleus
    c)division of the cytoplasm
    d)reduction in the number of chromosomes
    e)movement of a cell from one place to another
    c)movement of a cell from one place to another
  • Chromatids are _____.
    a)found only in aberrant chromosomes
    b)held together by the centrioles
    c)identical copies of each other if they are part of the same chromosome
    d)the bacterial equivalent of eukaryotic chromosomes
    e)composed of RNA
    c)composed of RNA
  • If a cell contains 60 chromatids at the start of mitosis, how many chromosomes will be found in each daughter cell at the completion of the cell cycle?
    a)15
    b)30
    c)45
    d)60
    e)120
    b)120
  • A biochemist measured the amount of DNA in cells growing in the laboratory and found that the quantity of DNA in the cells doubled _____.
    a)between prophase and anaphase
    b)between the G1 and G2 phases
    c)during the M phase of the cell cycle
    d)between the G2 phase and prophase
    e)between anaphase and telophase
    b)between anaphase and telophase
  • A cell biologist carefully measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined during the G2 phase of the cell cycle contained 200 units of DNA. What would be the amount of DNA at G1 of the cell cycle in one of the grasshopper daughter cells?
    a)50 units
    b)100 units
    c)between 50 and 100 units
    d)200 units
    e)400 units
    b)400 units
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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: The complex of DNA and protein that makes up a eukaryotic chromosome is properly called _____.
Answer:
a chromatid
a chloroplast
chromatin
a chromoplast
a centrosome