The sketch below shows a portion of a cell membrane with several specific compon

Question

The sketch below shows a portion of a cell membrane with several specific components pointed out.

Which part represents a single fatty acid molecule?

      [ Choose ]            D            B            F            E            C            A      

Which part represents a single protein molecule?

      [ Choose ]            D            B            F            E            C            A      

Which part represents a single hydrophilic head of a phospholipid molecule?

      [ Choose ]            D            B            F            E            C            A      

Where would you be more likely to find water molecules, A or B?

      [ Choose ]            D            B            F            E            C            A      

Imagine a molecule of glucocerebroside is imbedded in this membrane. Which section of the membrane would you most likely find the fatty acid tails of a glucocerebroside molecule, A or B?

Explanation / Answer

A single fatty acid molecule - F

A single protein molecule - E

A single hydrophlic head of a phospholipid - C

WAter molecules can be found in A

the fatty acid tails of a glucocerebroside molecule - B

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