Structure and Properties of Peptides
In the β-pleated sheet

the polypeptide chain is fully extended
hydrogen bonds are formed between the peptide bonds
adjacent polypeptide chains can either be parallel or antiparallel
All of these

ANSWER DOWNLOAD EXAMIANS APP

Structure and Properties of Peptides
Hemoglobin has quaternary structure and is made up of

six polypeptide chains, two α-chains and four β-chains
four polypeptide chains, two α-chains and two β-chains
five polypeptide chains, two α-chains and three β-chains
two polypeptide chains, one α-chains and one β-chains

ANSWER DOWNLOAD EXAMIANS APP