Three statements about proteins are given below. 1 Different sequences of amino acids give different shapes to protein
molecules
2
Amylase is made from a sequence of amino acids joined together
forming a non-specific 3D shape.
3
When mixed with Biuret solution, there is a colour change from blue to
purple.
Which of the statements above are true?
A
1 & 2 only
B 1, 2 & 3
D 3 only
C 1 & 3 only