Ch. 10: Nitrogen and Phosphorous Containing Compounds Flashcards
1
Q
what is the general structure of an amino acid
A
alpha carbon with
- amino group
- carboxyl group
- R group
2
Q
what are the five categories of amino acids
A
- nonpolar, nonaromatic
- aromatic
- polar
- negatively charge (acidic)
- positively charged (basic)
3
Q
what are the nonpolar amino acids
A
- alanine
- valine
- leucine
- isoleucine
- glycine
- proline
- methionine
4
Q
what are the polar amino acids
A
- serine
- threonine
- asparagine
- glutamine
- cystine
5
Q
what are the aromatic amino acids
A
- tryptophan
- phenylalanine
- tyrosine
6
Q
what are the acidic amino acids
A
- aspartic acid
- glutamic acid
7
Q
what are the basic amino acids
A
- arginine
- lysine
- histidine
8
Q
in what kind of reaction do amino acids form peptide bonds
A
condensation
9
Q
what occurs during a strecker synthesis reaction
A
step 1: aminonitrile is generated from an aldehyde or ketone + ammonium
step 2: amino acid is generated from the amino nitrile
10
Q
wha occurs during the gabriel synthesis reaction
A
amino acid is generated from phthalimide and diethyl bromoalonate, using two Sn2 reactions, hydrolysis, and decarboxylation
11
Q
what is pyrophosphate
A
a dime of phosphate
