Proteins Flashcards
1
Q
What groups are contained in an amino acid?
A
- Amino group, -NH2
- Carboxyl group, -COOH.
2
Q
How are proteins formed?
A
One amino group and the carboxyl group of another amino acid join together with the elimination of water (condensation).
3
Q
Peptide link
A
O H
|| |
-C - N-
4
Q
What are essential amino acids?
A
Amino acids required by the body for protein synthesis but that must be acquired through the diet.
5
Q
How are proteins broken down?
A
By enzyme hydrolysis.
6
Q
How is protein structure affected by temperature?
A
When heated, intermolecular bonds are broken which cause the protein to change shape (denature).