aabio test review 3

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Author:
tjtolman
ID:
150818
Filename:
aabio test review 3
Updated:
2012-04-29 11:55:04
Tags:
bio
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Description:
bio
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  1. Proteins:
    • large
    • enzymes
    • carries 02 *hemoglobin
    • hormones
    • structural elements
    • transport
    • cell surface receptors
  2. Building blocks of protein
    amino acids FIG 3.19
  3. Protein structure:
    • primary structure-sequence
    • secondary structure
    • tertiary structure
    • quaternary structure
  4. primary structure - sequence
    • fig 3.22 "amino acid sequence"
    • -primary function must be 'ok' to function properly
  5. secondary structure:
    • Hydrogen bonds
    • -coiling up chain into helix or folding chain into pleated sheet
  6. motif:
    repeated structure - fig 3.23
  7. tertiary structure:
    folding up of a secondary structure into globular form
  8. quaternary structure:
    when there are more than 1 a.a. chain involved
  9. Domain:
    part of a protein w a particular function diff than rest
  10. denaturation:
    wrong pH, worng temp. no longer functional
  11. Chaperone protein:
    help other proteins fold correctly
  12. Nucleic acids:
    • -Large
    • a) DNA - genetic material
    • b) RNA - various function
  13. Building block nucleotide:
    • P-S-N
    • S= sugar (deoxyribose-DNA) (ribose-RNA)
    • N= Nitrogen containing base
    • (dna ACGT)
    • (rna ACGU)
    • P= phosphate group
  14. Hydrogen bonds:
    • holds 2 stands together at the nigtrogen cont. base (N)
    • -nitrogen cont. base varies *makes us diff.
  15. ATP:
    • adenosine triphosphate (odd nucleotides) 3P's
    • P-P-P-S-N
    • energy currency molecule
    • fig 3.18

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