1.2.5 - Proteins Flashcards
1
Q
functions of proteins.
A
enzymes, hormones, antibodies
2
Q
describe amino acid structure
A
central carbon
carboxylic acid group on right
amino group on left
3
Q
what reaction joins amino acids
A
condensation
4
Q
What bond joins the 2 amino acids?
A
peptide bond
5
Q
Name the other bonds in proteins
A
hydrogen
disulphide
ionic
6
Q
Properties of hydrogen bonds
A
Weak and easily broken
7
Q
disulphide bonds
A
formed in an oxidation reaction between 2 sulfur containing groups.
Results in a strong covalent bond
8
Q
ionic bonds
A
Formed between strongly positive and negative amino acid chains
9
Q
What are ionic bonds in proteins also known as
A
Salt bridges
