1.3 Peptide Bond Formation and Hydrolysis

Question 1

Peptide bond formation case be also considered as…

Answer 1

1. Dehydration reaction
2. Acyl substitution reaction

Question 2

Acyl transfer reactions can happen with any _____ derivatives

Answer 2

Carboxylic acid

Question 3

Amino terminus is also known as the _ terminus and the carboxyl terminus is also known as the _ terminus

Answer 3

N, C

Question 4

Is a single amino acid considered as an oligopeptide

Answer 4

No

Question 5

Role of proline in protein secondary structure. Where is it normally found?

Answer 5

Introduces kink. Normally found in residue at the start of alpha helix and turns between beta-pleated sheet

Question 6

Protein function

Answer 6

Enzymes, hormones, membrane pores, receptors, structure

Question 7

How do we read amino acid (direction)?

Answer 7

N -> C terminus

Question 8

What is the primary structure of a protein

Answer 8

Order of amino acids

Question 9

Which direction is alpha-helix coiled up as? Name one protein associated with this

Answer 9

Clockwise, keratin

Question 10

Is beta pleated sheet parallel or anti-parallel?

Answer 10

Can be either