Write the following about protein synthesis:
How do 64 codons code for only 20 amino acids?

Draw simple Fisher projections of D-and L-glucose. Are these enantiomers?

How are glucose molecules joined together to make starch, glycogen and cellulose?

Draw open chain structure of aidopentose and aldohexose. How many asymmetric carbons are present in each?

What type of linkages are responsible for the formation of:
(i)    Primary structure of proteins.
(ii)    Cross linking of polypeptides chains.
(iii)    α-Helix formation
(iv)    β-sheet structure.

Write the following about protein synthesis:
Which of the two bases of the codon are most important for coding?

Draw simple Fisher projections or L-galactose and L-mannose.

What deficiency diseases are caused due to lack of vitamins A, B, B₆ and K in human diet?

Write the following about protein synthesis:
Name the location where protein synthesis occurs.

What are reducing and non-reducing sugars? What is the structural feature characterizing reducing sugars ?