unit 1; proteins Flashcards
1
Q
name the 4 chemical groups attached to a carbon atom
A
amino group, carboxyl group, hydrogen group, r-group
2
Q
what is the process of polymerization
A
many amino acid monomers joined together by condensation reactions
3
Q
what bonds are added in the secondary structure of proteins
A
hydrogen bonds
4
Q
what bonds are added in the tertiary structure of proteins
A
disulfide bridges, ionic bonds, hydrogen bonds
5
Q
what is added in the quaternary structure of the proteins
A
multiple polypeptide chains and maybe non- protein group
6
Q
what is the test for proteins
A
biuret test- sample, sodium hydroxide, copper sulfate solution- purple is positive no colour change is negative
