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Quiz 2

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Justine C.
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10 Questions

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

hydrophobic

A molecule with a large number of polar covalent bonds is likely to

be highly soluble in water.

What is the function of proteins inside cells?

All of the above

Which of these sugar molecules is NOT a monomer:

sucrose

Hydrolysis is________to _____molecular bonds.

addition of water - break

Which carbohydrate is NOT found in plants?

glycogen

Where are glycoproteins mainly found?

bound to the outer plasma membrane

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

condensation; releases

Triacyglycerols are ________.

the most common fat storage molecules in cells

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

N; C

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

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

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