Which method gives you information about the N-terminus end of a peptide?

A) Carboxypeptidase analysis
B) Chymotrypsis analysis
C) Edmund degradation
D) Cleavage of disulfide linkages

Given the following heats of combustion per CH₂ group within the structure, which cyclic alkane has essentially no angle strain? (Ref: long-chain Alkane = 659 kJ/mol)

A) cyclobutane = 686 kJ/mol
B) cyclopentane = 664 kJ/mol
C) cyclohexane = 659 kJ/mol
D) cycloheptane = 662 kJ/mol
E) cyclooctane = 663 kJ/mol

How many methylene groups are present in 2,4-dimethylhexane?

A) 0
B) 1
C) 2
D) 6
E) 8

In nucleophilic acyl substitution ________.

A) protonation of the carbonyl is followed immediately by loss of the leaving group
B) loss of the leaving group is followed by rearrangement of the carbocation
C) addition to the carbonyl by a nucleophile is followed by loss of the leaving group
D) ester hydrolysis is followed by deprotonation
E) an S_N2 reaction occurs

Which of the following terms best describes the interior of a soap micelle in water?

A) hydrophobic
B) hydrophilic
C) hard
D) saponified
E) hydrogenated

What is a base pair?