(B) $DNA$ contains four nitrogenous bases: Adenine $(A)$,Guanine $(G)$,Cytosine $(C)$,and Thymine $(T)$.$RNA$ also contains four nitrogenous bases: Ad

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(B) $DNA$ contains four nitrogenous bases: Adenine $(A)$,Guanine $(G)$,Cytosine $(C)$,and Thymine $(T)$.$RNA$ also contains four nitrogenous bases: Adenine $(A)$,Guanine $(G)$,Cytosine $(C)$,and Uracil $(U)$.In $RNA$,Uracil $(U)$ replaces Thymine $(T)$ which is found in $DNA$.

Class 12 Biology Molecular Basis of Inheritance The DNA

Easy

Which of the following bases is present in $RNA$ instead of $DNA$'s thymine?

A
Thymine
B
Uracil
C
Adenine
D
None of the above

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Class 12

Biology Questions

Chapter

Molecular Basis of Inheritance

Subtopic

The DNA

Which of the following structures is correct for $DNA$?

Medium

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Exposure of an organism to $UV$ radiation causes:

Medium

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$A$ gene is defined as ...........

Medium

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What is the ratio of purines to pyrimidines in a $DNA$ molecule containing $77$ nucleotides?

Medium

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Match the following columns $:-$

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 $(iv)$ $4.6 \times 10^6 \ \text{b.p}$

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	$(iv)$ $4.6 \times 10^6 \ \text{b.p}$

Medium

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Which of the following bases is present in $RNA$ instead of $DNA$'s thymine?

Similar Questions

Which of the following structures is correct for $DNA$?

Exposure of an organism to $UV$ radiation causes:

$A$ gene is defined as ...........

What is the ratio of purines to pyrimidines in a $DNA$ molecule containing $77$ nucleotides?

Match the following columns $:-$ 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 $(iv)$ $4.6 \times 10^6 \ \text{b.p}$

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Match the following columns $:-$

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 $(iv)$ $4.6 \times 10^6 \ \text{b.p}$