Proteins - amino acids

Question 1

functions of proteins

Answer 1

> form structural components of animals eg. muscles
important as enzymes
act as carriers in membranes

Question 2

Structure of an amino acid

Answer 2

> amine group at one end and carboxyl group at the other
all amino acids have different r groups

h //O
> N - C - C <
h OH

Question 3

Peptide bond

Answer 3

> join amino acids together
involves a condensation reaction
two amino acids are a dipeptide