Identify the nitrogenous bases of the purine | vedclass

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(D) Nitrogenous bases in nucleic acids are classified into two categories based on their chemical structure:$1$. Purines: These are double-ring struct

Vedclass · Accepted Answer

Purine $= A, G$; Pyrimidine $= C, T, U$

Vedclass · Answer

(D) Nitrogenous bases in nucleic acids are classified into two categories based on their chemical structure:$1$. Purines: These are double-ring structures (bicyclic). Adenine $(A)$ and Guanine $(G)$ are purines.$2$. Pyrimidines: These are single-ring structures (monocyclic). Cytosine $(C)$,Thymine $(T)$,and Uracil $(U)$ are pyrimidines.Therefore,the correct classification is Purines $= A, G$ and Pyrimidines $= C, T, U$.

Column-$I$	Column-$II$
$(a)$ $\phi \times 174$ bacteriophage	$(i)$ $48502 \ \text{b.p}$
$(b)$ Human (diploid)	$(ii)$ $5386$ bases
$(c)$ $E. coli$	$(iii)$ $6.6 \times 10^9 \ \text{b.p}$
$(d)$ $\lambda$-phage	$(iv)$ $4.6 \times 10^6 \ \text{b.p}$

Identify the nitrogenous bases of the purine and pyrimidine types.

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Column-$I$ Column-$II$

$(a)$ $\phi \times 174$ bacteriophage $(i)$ $48502 \ \text{b.p}$

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