Which of the following sequences contains fou | vedclass

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(A) In nucleic acids, the pyrimidine bases are Cytosine $(C)$, Thymine $(T)$, and Uracil $(U)$. Purine bases are Adenine $(A)$ and Guanine $(G)$.We ne

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$GATCAATGC$

Vedclass · Answer

(A) In nucleic acids, the pyrimidine bases are Cytosine $(C)$, Thymine $(T)$, and Uracil $(U)$. Purine bases are Adenine $(A)$ and Guanine $(G)$.We need to count the number of pyrimidines $(C, T, U)$ in each sequence:$A$: $GATCAATGC$ $\rightarrow$ $T, C, T, C$ (Total $4$ pyrimidines).$B$: $GCUAGACAA$ $\rightarrow$ $C, U, C$ (Total $3$ pyrimidines).$C$: $UAGCGGUAA$ $\rightarrow$ $U, C, C$ (Total $3$ pyrimidines).$D$: $TGCCTAACG$ $\rightarrow$ $T, C, C, T, C$ (Total $5$ pyrimidines).Therefore, the sequence containing exactly four pyrimidine bases is $GATCAATGC$.

Which of the following sequences contains four pyrimidine bases?

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