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Summary Biology: A Global Approach, Global Edition

- Jane B Reece, et al
ISBN-10 1292008652 ISBN-13 9781292008653
873 Flashcards & Notes
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A snapshot of the summary - Biology: A Global Approach, Global Edition Author: Jane B Reece Lisa A Urry Neil A Campbell Michael Lee Cain Steven Alexander Wasserman Peter V Minorsky Robert B Jackson ISBN: 9781292008653

  • 5 biological macromolecules and lipids

  • large biological molecules are usually assembled by polymerization of a few kinds of small subunits. Wich of the following is an exception to this statement?
    A steroid
    B cellulose
    C DNA
    D an enzyme
    E a contractile protein
    steroid
  • a molecule with the formula C18H36O2 is probably a?
    A carbohydrate
    B fatty acid
    C protein
    D nucleic acid
    E hydrocarbon
    fatty acid
  • wich level of protein structure do the alpha helix and the B pleated sheet represent?
    A primary
    B secondary
    C tertiary
    D quaternary
    E primary, secondary, tertiary, and quaternary
    secondary
  • the molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?
    C18H36O18
    C18H32O16
    C6H10O5
    C18H10O15
    C3H6O3
    C18H32O18
  • there are 20 different amino acids. what makes one amino acid different from another?
    A different side chains (R groups) attached to a carboxyl carbon
    B different side chains (R groups) attached to the amino groups
    C different side chains (R groups) attached to an alpha carbon
    D different structural and optical isomers
    E different asymmetric carbons
    differents side chains (R groups) attached to an alpha carbon
  • a double-stranded DNA molecule contains a total of 120 purines and 120 pyrimidines. this DNA molecule could be composed of?
    120 adenine and 120 uracil molecules
    120 thymine and 120 adenine molecules
    120 cytosine and 120 thymine molecules
    120 adenine and 120 cytosine molecules
    120 guanine and 120 thymine molecules
    120 thymine and 120 adenine molecules
  • wich  of the following statements about the 5' end of a polynucleotide strand of DNA is Correct?
    the 5' end has a hydroxyl group attached to the number 5 carbon of ribose.
    the 5'end has a phosphate group attached to the number 5 carbon of ribose.
    the 5'end has a phosphate attached to the number 5 carbon of nitrogenous base.
    the 5' end has a carboxyl group attached to the number 5 carbon of ribose.
    the 5' end is the fifth position on one of the nitrogenous bases.
    the 5'end has a phosphate group attached to the number 5 carbon of ribose.
  • wich of these classes of biological molecules consist of both small molecules and macromolecular polymers?
    A lipids
    B carbohydrates
    C proteins
    D nucleic acids
    E lipids, carbohydrates, proteins, and  nucleic acids all consist of only macromolecular polymers.
    carbohydrates
  • which of the following is true of both starch and cellulose?
    A they are both polymers of glucose
    B they are cis-trans isomers of each other.
    C they can both be digested by humans
    D they are both used for energy storage in plants.
    E they are both structural components of the plant cell wall
    they are both polymers of glucose
  • 6 energy and life

  • what is a metabolic pathway?
    begins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain producht.
    -each step is catalyzed by a specific enzyme
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