Quiz 2
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Questions and Answers

Substances that do not form polar bonds are likely to be:

  • hydrophilic
  • hydrophobic (correct)
  • Neither of these options is true.
  • electrostatic
  • A molecule with a large number of polar covalent bonds is likely to

  • be highly soluble in water. (correct)
  • be hydrophobic.
  • form phosphate bonds.
  • contain only atoms with low electronegativity.
  • What is the function of proteins inside cells?

  • they can serve as structural support
  • they can play a role in ligand recognition and signal transduction
  • they can reduce bacterial loads through forming barriers on cells
  • All of the above (correct)
  • Which of these sugar molecules is NOT a monomer:

    <p>sucrose</p> Signup and view all the answers

    Hydrolysis is________to _____molecular bonds.

    <p>addition of water - break</p> Signup and view all the answers

    Which carbohydrate is NOT found in plants?

    <p>glycogen</p> Signup and view all the answers

    Where are glycoproteins mainly found?

    <p>bound to the outer plasma membrane</p> Signup and view all the answers

    Long polymers are made from single subunits in cells using a ___________ reaction, which ___________ water.

    <p>condensation; releases</p> Signup and view all the answers

    Triacyglycerols are ________.

    <p>the most common fat storage molecules in cells</p> Signup and view all the answers

    The beginning of a peptide chain is called the____terminus whereas the end of the peptide chain is called the___terminus.

    <p>N; C</p> Signup and view all the answers

    Study Notes

    Chemical Bonding

    • Substances that do not form polar bonds are likely to be non-polar
    • A molecule with a large number of polar covalent bonds is likely to be polar

    Proteins

    • Proteins have various functions inside cells
    • The function of proteins inside cells is not specified in the given information

    Carbohydrates

    • Sucrose is NOT a monomer (it is a disaccharide)
    • Hydrolysis is the breaking of molecular bonds, releasing water

    Glycoproteins

    • Glycoproteins are mainly found on the surface of cells
    • Glycoproteins are proteins with carbohydrate molecules attached

    Lipids

    • Triacylglycerols are a type of lipid, also known as triglycerides
    • They are composed of glycerol and three fatty acid chains

    Peptide Chains

    • The beginning of a peptide chain is called the amino terminus
    • The end of the peptide chain is called the carboxyl terminus

    Polymerization

    • Long polymers are made from single subunits in cells using a condensation reaction
    • This reaction releases water molecules

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    Description

    Explore the world of biomolecules and chemical bonding in this biology quiz. Test your knowledge of proteins, carbohydrates, and glycoproteins.

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