Amino Acids

Question 1

What composes the structure of an amino acid?

Answer 1

Amino group, carboxyl group, side chain, and a hydrogen

Question 2

What is an amino group?

Answer 2

It is an NH2 group that can accept a proton to become NH3+

Question 3

What is a carboxyl group?

Answer 3

Is a COOH functional group that can dissociate to become COO-

Question 4

What determines the identity of an amino acid?

Answer 4

The side chain

Question 5

What is the only amino acid to not have a chiral center?

Answer 5

Glycine

Question 6

Which amino acids have nonpolar side chains? (Aliphatic/Hydrophobic)

Answer 6

Ala, Val, Leu, Ile, Gly, Pro, and Met

Question 7

Which amino acids are acidic?

Answer 7

Glu and Asp (they have carboxyl groups in side chains)

Question 8

Which amino acids are Basic?

Answer 8

His, Lys, and Arg (all have basic side chains)

Question 9

Which amino acids are essential?

Answer 9

Ile, Leu, Val, Phe, Trp, His, Lys, Thr, Met, Arg (For infants) (PVT TIM HALL)

Question 10

Which amino acids contain sulfur?

Answer 10

Met and Cys

Question 11

Which amino acids are polar? (Hydrophilic)

Answer 11

Ser, Thr, Cys, Asn, Gln, Tyr Santa’s Team Crafts New Quilts Yearly