A. Aspartate
B. Glutamine
C. Glutamate
D. Urea Aspartate

A. Arginine
B. Histidine
C. Tryptophan
D. Phenylalanine

A. Surrounded by non polar environment
B.  Bonded to E7 histidine
C. Protoporophyrin IX
D. Between Helix C and D

A. Metal containing flavoproteins
B.  Iron-porphyrin proteins
C.  Pyridine nucleotides
D. Riboflavin containing nucleotides

A. Glycine
B. Histidine
C. Alanine
D. Leucine

A. Peptones
B. Peptides
C. Amino acids
D. None of them

A. Ferric ions
B. Histidine
C. . Pyrrole rings
D. Vinyl groups

A. Glutamine
B. Phenylalanine
C. Ornithine
D. Tryptophan

A. Alanine
B. Leucine
C. Tyrosine
D. Tryptophan

A. Lecithin
B. Firbinogen
C. Albumin
D. Globulin