BIO UNIT 1 Section 2

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drummerboy424
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234409
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BIO UNIT 1 Section 2
Updated:
2013-09-12 14:17:01
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BIO UNIT
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BIO UNIT 1
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  1. Polar molecules are said to be
    hydrophilic (“water-loving”)
  2. Nonpolar molecules do not dissolve in water and are:
    hydrophobic (“water fearing”)
  3. Large, complex biological molecules (macromolecules) are often repeated units (unit = monomer) connected together to form a chain called a:
    Polymer
  4. Forming macromolecules are done by _________ reactions.
    Dehydration
  5. Breaking down macromolecules are done by _________ reactions.
    Hydrolysis
  6. Proteins are polymers of
    Amino acids
  7. Polysaccharides (starch) are polymers of:
    Sugar (Glucose)
  8. Nucleic Acids (DNA & RNA) are polymers of:
    Nucleotides
  9. ____ _____ determine properties of particular amino acids.
    Side groups
  10. What are the 4 amino acid side groups?
    • Serine (S)- polar (Hydrophilic)
    • Aspartate (D)- Acidic (- charge)
    • Lysine (K)- Basic (+ charge)
    • Valine (V)- Non-polar (Hydrophobic)
  11. _____ bonds join amino acids in Proteins
    Peptide
  12. Is a peptide bond polar covalent, nonpolar covalent or ionic?
    Covalent Polar Bond
  13. Levels of Protein Structure are:
    • Primary structure
    • Secondary structure
    • Tertiary structure
    • Quaternary structure
  14. what structure is the sequence of amino acids
    primary structure
  15. What structure shows how primary sequence is folded?
    Secondary structure.
  16. What structure is the 3-D shape of the protein?
    Tertiary structure
  17. What structures shows how subunits are arranged?
    Quaternary structure.
  18. What determine final protein structure and characteristics?
    The sequence of Amino Acids.
  19. Amino acid chain folds due to ______ bonding between amino acids
    Hydrogen Bonding
  20. What are the two types of Secondary protein structures?
    • 1. Alpha Helix (spiral)
    • 2. Beta pleated sheet (hairpin)
  21. In Tertiary Protein Structures, Secondary protein structure folds due to:
    interactions between R Groups

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