FINAL A&P 1.5

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Author:
rwischnewski
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290712
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FINAL A&P 1.5
Updated:
2014-12-07 09:48:56
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FINAL A&P
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A&P
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  1. the simplest type of movement of a substance from one area to another is ________.
    diffusion
  2. what is the molecule that is moving in osmosis?
    water
  3. what determines the osmotic force?
    amount of solute
  4. water is moving into a cell by osmosis. this means that the inside of the cell is _______ compared to the outside.
    hypertonic
  5. what does complimentary bases mean?
    bases will only bond one way
  6. how much of the chromosomes are functioning genes?
    2%
  7. what enzyme causes the attachment of free nucleotides during DNA replication?
    DNA polymerase
  8. the result of DNA replication is ________.
    sister chromatids
  9. the assembling of a messenger RNA from the information on a gene is called _______.
    transcription
  10. if RNA polymerase attaches to the promoter site and the gene does not open up, what is happening?
    a repressor protein is blocking the operator site
  11. before the newly transcribed RNA can leave the nucleus it has to undergo what process?
    cutting out introns
  12. three bases in a messenger RNA that code for a particular amino acid are called a _____.
    codon
  13. what is an anticodon?
    three bases on transfer RNA that are complementary to a codon
  14. a permanent alteration of a DNA base sequence is a _______.
    mutation
  15. the maternal and paternal genes for a specific trait are called _______.
    alleles
  16. if the maternal and paternal gene code for the same thing, the off spring is _______ for that trait.
    homozygous
  17. T/F if the gene for brown eyes is dominant, two brown eyed parents will never be able to have a blue eyed child.
    F
  18. if a phenotypic trait comes in a range of alternatives, what must be involved?
    polygenic inheritance

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