B1 Biology Proteins Flashcards
1
Q
what are the monomers of proteins?
A
amino acids
2
Q
what is the structure of an amino acid?
A
amino acids contain an amine group (NH2), and carboxyl group (COOH) and an R group.
3
Q
how many amino acids are there and how do they differ?
A
there are twenty amino acids common, each differs by the side chain (or R group)
4
Q
how are dipeptides formed?
A
by the condensation of 2 amino acids
5
Q
how are polypeptides formed?
A
by the condensation of many amino acids
6
Q
what are the two types of functional proteins?
A
- fibrous proteins
- globular proteins
7
Q
what is a functional protein?
A
a protein that contains a number of polypeptide chains which will determine the shape and size and function
