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5 Written Questions

5 Matching Questions

  1. two nucleotides are linked together by a ____________bond to form a string of nucleic acids
  2. carbon can form four bonds because it has only _______electrons in the outer energy____
  3. which of the following describe sugar
  4. what bonding properties of carbon allow for the creation of groups of atoms with distinct shapes and functions?
  5. the four nitrogenous bases present in DNA are__________,___________,____,and______
  1. a 1. adenine
    2. guanine
    3. thymine
    4. cytosine
  2. b The simplest sugar are monosaccharides
    sugar contain carbon, hydrogen, and oxygen
    sugar store energy in their chemical bonds.
  3. c phosphodiester
  4. d 4
  5. e 1.carbon containing molecules can form isomer.
    2. carbon can form four covalent bonds.
    3. carbon can create double and triple bonds.

5 Multiple Choice Questions

  1. A sugar is broken down into fructose and glucose molecules
    A strand of DNS is broken down into individual nucleotides
  2. nitrogen
    c atoms.
  3. isomers
  4. only stereoisomer have identical bonding relationships but different structures
    only structural isomers contain the same atoms,but with different bonding relationships.
  5. lower

5 True/False Questions

  1. nucleotides are covalently linked by __bondsphosphodiester


  2. what are the major differences between dehydration reactions and hydrolysis reactionsdehydration reactions involve the loss of water and hydrolysis reactions involve the addition of water
    dehydration reactions form polymers hydrolysis reactions break down polymers into monomers.


  3. _______reactions, which form polymers form simple monomers, are reversible through the process of ________________disulfide


  4. why do phospholipids arrage into bilayersthe bilayers is the most energetically favorable arrangement in aqueous solution.
    the hydrophillic ends attract water while the hydrophobic ends exclude water


  5. what are two examples of important functional group in organic molecules?amino and carbonyl


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