Lecture 5 -Proteins Flashcards
1
Q
Roles of proteins
A
Structure
Protection
Defense
Movement
Support
Catalysis
Regulation
Transport
2
Q
non polar Rgroups
A
glycine, alanine, proline
3
Q
polar r groups
A
aspartic acid, glutamic acid
lysine, arginine, histidine
4
Q
isoelectric point
A
net charge of amino acid or protein depends on the pH of surrounding environment
5
Q
peptide bond
A
O=C-N-H
6
Q
secondary structure
A
alpha helix and beta pleated sheets
7
Q
what does chaperonesdo
A
assist in protein folding
8
Q
8 denaturing agent
A
ph
temperature
organic solvents/detergents
reducing agents
chaotropic agents
salt concentration
heavy metals
mechanical stress
