Which of the following statement is correct ?

Options

A. Cellulose are linear polymers of `beta` - glucose molecules with `beta-1,4`- linkages
B. Starches are polymers of `alpha` - glucose molecules with `beta - 1 , 4 ` - linkages and some `beta -1 , 6 ` - cross - linkages
C. Proteins are polyamides of `beta ` - amino acids
D. The structural information about carbohydrate biosynthesis is contained in a class of compounds called nucleic acids , e. g . RNA and DNA

Answer

A