Proteins Flashcards
1
Q
What are proteins?
A
- Polypeptides
- Covalently joined amino acids
2
Q
Which 4 things is the alpha carbon in an amino acid bound to?
A
- Hydrogen atom
- Carboxyl group
- Amino group
- R group
3
Q
How are amino acids classified?
A
- Polar
- Non-polar
- Positively charged
- Negatively charged
4
Q
How are proteins structured?
A
PRIMARY
- Linear amino acid sequence
- Strong covalent bonds
SECONDARY
- Polypeptide backbone
(Alpha helix or beta sheet)
- H bonds
TERTIARY
- Active 3D configuration
QUATRENARY
- Multi sub-unit protein
5
Q
What are the properties of a peptide bond?
A
- Rigid
- Planar
- Trans configuration
