Concept Check 1.1 Flashcards
1
Q
The 4 groups attached to the central alpha carbon of a proteinogenic amino acid
A
Amino group, carboxylic group, & R group
2
Q
What is the stereochemistry of the chiral amino acids that appear in eukaryotic proteins
A
L; S, except for cysteine (L & R)
3
Q
Nonpolar, nonaromatic aa’s
A
Glycine, alanine, valine, leucine, isoleucine, methionine, proline
4
Q
Aromatic aa’s
A
Tryptophan, phylalanine, tyrosine
5
Q
Polar aa’s
A
Serine, threonine, asparagine, glutamine, cysteine
6
Q
Negatively charged/acidic aa’s
A
Aspartame, glutamate
7
Q
Positively charged/basic aa’s
A
Arginine, lysine, histidine
8
Q
Where do hydrophobic aa’s tend to reside w/in a protein
A
Interior
9
Q
Where do hydrophilic aa’s tend to reside w/in a protein?
A
On the surface
