1. 4 o 0 o 1 o 3 o 2 o . 2. Each amino acid has two functional groups in common
ID: 879821 • Letter: 1
Question
1.
4o
0o
1o
3o
2o.
2. Each amino acid has two functional groups in common and one of 20 other groups attached to the ?–carbon. The two functional groups are
alcohol and amine.
ester and amine.
carboxyl and amide.
carboxyl and amine.
carboxyl and peptide.
3.
What is the molecular formula for the following compound?
C7H16O
C5H12O
C5H15O
C5H16O
C7H15O
4.
one of the units making up a nucleic acid.
a polysaccharide.
a polymer of amino acids.
a saturated ester of glycerol.
an aromatic hydrocarbon.
5.
What is the classification of the carbon that has an arrow pointing at it in the structure drawn below?
4o
0o
1o
3o
2o.
2. Each amino acid has two functional groups in common and one of 20 other groups attached to the ?–carbon. The two functional groups are
alcohol and amine.
ester and amine.
carboxyl and amide.
carboxyl and amine.
carboxyl and peptide.
3.
What is the molecular formula for the following compound?
C7H16O
C5H12O
C5H15O
C5H16O
C7H15O
4.
A protein isone of the units making up a nucleic acid.
a polysaccharide.
a polymer of amino acids.
a saturated ester of glycerol.
an aromatic hydrocarbon.
5.
Which one of these structures represents a carboxyl functional group?
Explanation / Answer
1) 20
2) carboxyl and amine
-NH2 (primary amine) -COOH (carboxylic acid)
3) C7H16O
4) a polymer of amino acids.
5) HO-C=O first one
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