Which of the following statements about the structure of proteins is true?AThe sequence of amino acids in a protein represents the secondary structureBHelices of proteins are always left handedCAdult human haemoglobin consists of two subunitsDThe proteins are heteropolymers
Which of the following statements about the structure of proteins is true?
A
The sequence of amino acids in a protein represents the secondary structure
B
Helices of proteins are always left handed
C
Adult human haemoglobin consists of two subunits
D
The proteins are heteropolymers