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The compound which is found in every living cell and serves as a center of information and control is…………
a) protein                                              

b) DNA
c) amino acid                                      

d) glucose

b

Peptide linkage is present in…………
a) carbohydrates                

b) lipids
c) proteins                                           

d)vitamins

c

All are present in DNA except…………
a) ribose sugar   

b) phosphate unit
c) nitrogen base   
d) deoxyribose sugar

a