Proteins Flashcards
1
Q
What are the monomers of amino acids
A
Amino acids
2
Q
What is a peptide bond
A
the bond formed between 2 amino acids
3
Q
What is a dipeptide
A
When two amino acids join together
4
Q
What is a polypeptide
A
When 2 or more amino acids join together
5
Q
what is the general structure of an amino acid
A
- carboxyl group, -COOH
- amine group, -NH2
- R group, variable side group
- hydrogen atom
6
Q
what are the proteins 4 structural levels
A
primary, secondary, tertiary, quaternary
7
Q
what functions does a protein have
A
enzymes, antibodies, transport proteins, structural proteins
8
Q
how do you test for proteins
A
- add sodium hydroxide (to make alkaline)
- add copper(II) sulfate solution
- if stays blue, no protein
- if purple colour observed, protein present
