NAME: ________________________

general biology chapter3 &4 Test

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5 Written Questions

5 Matching Questions

  1. how are monomers and polymers related to one another
  2. why do phospholipids arrage into bilayers
  3. what are macromolecules
  4. _______reactions, which form polymers form simple monomers, are reversible through the process of ________________
  5. what are proteins?
  1. a large molecules that are form by joining smaller molecules together
  2. b proteins are polymers essential to nearly all life processes
  3. c dehydration
    hydrolysis
  4. d polymers are large macromolecules composed of many monomers linked together
  5. e the bilayers is the most energetically favorable arrangement in aqueous solution.
    the hydrophillic ends attract water while the hydrophobic ends exclude water

5 Multiple Choice Questions

  1. The simplest sugar are monosaccharides
    sugar contain carbon, hydrogen, and oxygen
    sugar store energy in their chemical bonds.
  2. nitrogen
    c atoms.
  3. polymers are broken down one monomer at a time by the addition of water.
  4. A sugar is broken down into fructose and glucose molecules
    A strand of DNS is broken down into individual nucleotides
  5. 4
    shell

5 True/False Questions

  1. isomers are formed with the same atoms but with different bonding relationshipsA sugar is broken down into fructose and glucose molecules
    A strand of DNS is broken down into individual nucleotides

          

  2. Steroids all contain_______fused rings of carbon atoms with one or more polar __ groups attached to the ring structure4
    hydroxyl

          

  3. unsaturated fat have _________melting point that saturated fatsL-glucose and D-glucose

          

  4. the four nitrogenous bases present in DNA are__________,___________,____,and______1. adenine
    2. guanine
    3. thymine
    4. cytosine

          

  5. ____bridges can form between the side chains of two cysteine amino acids.DNA and RNA

          

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