Summary: Biology: A Global Approach, Global Edition | 9781292008653 | Jane B Reece, et al

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Read the summary and the most important questions on Biology: A Global Approach, Global Edition | 9781292008653 | Jane B. Reece; Lisa A. Urry; Neil A. Campbell; Michael Lee Cain; Steven Alexander Wasserman; Peter V. Minorsky; Robert B. Jackson

  • 5 biological macromolecules and lipids

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  • 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 steroidB celluloseC DNAD an enzymeE a contractile protein

    steroid
  • a molecule with the formula C18H36O2 is probably a?A carbohydrateB fatty acidC proteinD nucleic acidE hydrocarbon

    fatty acid
  • wich level of protein structure do the alpha helix and the B pleated sheet represent?A primaryB secondaryC tertiaryD quaternaryE 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?C18H36O18C18H32O16C6H10O5C18H10O15C3H6O3

    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 carbonB different side chains (R groups) attached to the amino groupsC different side chains (R groups) attached to an alpha carbonD different structural and optical isomersE 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 molecules120 thymine and 120 adenine molecules120 cytosine and 120 thymine molecules120 adenine and 120 cytosine molecules120 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 lipidsB carbohydratesC proteinsD nucleic acidsE 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 glucoseB they are cis-trans isomers of each other.C they can both be digested by humansD 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

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  • 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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