Biology-Macromolecule Quiz

The monomer of a nucleic acid is a(n) ______________

• nucleotide
• sugar
• fatty acid
• amino acid

The monomer of a carbohydrate is a(n)_________________.

• monosaccharide
• glycogen
• polysaccharide
• disaccharide

The monomer of a lipid is a(n) _____________

• phospholipid
• fatty acid
• steroid
• glycerol

The monomer of a protein is a(n) ___________.

• amino acid
• nucleotide
• fatty acid
• sugar

The test for a complex carbohydrate is ___________.

• Fehling's test
• Benedict's test
• Biuret test
• iodine test

If the complex carbohydrate iodine text is positive then the color is _________.

• red
• green
• yellow
• blue-black

The test of a protein is _______________. If it turns ____________ a protein is present.

• the Biuret test

  purple

• the Lowry test

  yellow

• the Bradford test

  green

• the Ninhydrin test

  blue

____________ tests for lipids and (a) __________ will appear if a lipid is present in the solution.

• iodine test

  a blue-black color

• Biuret test

  a purple color

• Benedict's test

  brick-red precipita

• Sudan III test

  red-ring

Another test for lipid is a brown bag. If a lipid is present it will appear ___________.

• transparent

• bubbly and frothy
• brightly colored
• opaque and dry

A solution that contains a simple carbohydrate can be identified with _________, which will turn __________ if it is present, after a hot water bath.

• Litmus paper; red
• Fehling's solution; yellow
• Iodine solution; blue-black
• Benedict's reagent; brick red