MCQ
Which nitrogenous base is not found in DNA?
- AAdenine
- BCytosine
- CGuanine
- ✓Uracil
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The total number of structures/compounds which possess asymmetric carbon atoms is $....$
$(i)$ Enzymes lack in nucleophilic groups
$(ii)$ Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions
$(iii)$ Enzymes catalyse chemical reactions by lowering the activation energy
$(iv)$ Pepsin is a proteolytic enzyme