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5 Written Questions

5 Matching Questions

  1. what are the two major classes of nucleic acids?
  2. which of the following describes the relationship between condensation reactions and dehydration synthesis
  3. what is determined by the expression of genetic information?
  4. what is the difference between the N-terminus and the C-terminus of a polypeptide?
  5. isomers have identical bonding relationships but the atoms are positioned differently around bonds
  1. a what type of cell is formed(liver or muscle)
    the identity of an organism (eg human or mouse)
  2. b The N-terminus has a free amino group and the C-terminus has a free carboxyl group.
  3. c cis-trans isomers
  4. d DNA and RNA
  5. e dehydration synthesis is specific type of condensation reaction involving the loss of a water molecule.
    condensation reactions and dehydration synthesis occur when two or more molecules combine to form a larger molecule.

5 Multiple Choice Questions

  1. the phosphate group of one nucleotide is covalently linked to the sugar of the second nucleotide
  2. phosphodiester
  3. 1. energy storage
    2. create a barrier to water loss
    3. form hormones important in reproduction
    4. plasma membrane structure
  4. the polar regions face water, and the nonpolar regions face the interior.
  5. 1. carbon bonds are stable across a broad range of temperatures.
    2. carbon can form four covalent bonds with other atoms.
    3 carbon can form both polar and nonpolar bonds

5 True/False Questions

  1. how are structural isomers and stereoisomers different form one another?polymers are large macromolecules composed of many monomers linked together


  2. 1 starch
    2 cellulose
    1. moderate branching
    2. unbranched
    3. highly branched


  3. what bonding properties of carbon allow for the creation of groups of atoms with distinct shapes and functions?1.carbon containing molecules can form isomer.
    2. carbon can form four covalent bonds.
    3. carbon can create double and triple bonds.


  4. which of the following are categories of macromolecules found in cellsnucleic acids


  5. 1. primary
    2. quaternary
    3. secondary
    1.the linear sequence of amino acids
    2. two or more interacting polypeptides
    3. repetitive folding patterns such as a helix and B pleated sheet
    4. the three- dimensional structure of a polypeptide


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