Botany Biomolecules questions from NEET UG 2012.
Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component $X$ in it  
Which one is the most abundant protein in the animal world?
Which one of the following biomolecules is correctly characterised?
Which one out of A-D given below correctly represents the structural formula of the basic amino acid? 