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(C) Statement $(a)$ is correct: $DNA$ is a double-stranded,helically coiled molecule.Statement $(b)$ is incorrect: The two strands of $DNA$ are comple

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$(a)$ and $(c)$ only

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(C) Statement $(a)$ is correct: $DNA$ is a double-stranded,helically coiled molecule.Statement $(b)$ is incorrect: The two strands of $DNA$ are complementary and anti-parallel,not parallel.Statement $(c)$ is correct: $DNA$ contains deoxyribose sugar and is acidic due to the presence of phosphate groups.Statement $(d)$ is incorrect: $DNA$ contains four nitrogenous bases (Adenine,Guanine,Cytosine,and Thymine),not three.Therefore,statements $(a)$ and $(c)$ are correct.

Which of the following statements are correct regarding $DNA$?
$(a)$ It is double stranded helically coiled.
$(b)$ The two strands are complementary and anti-parallel.
$(c)$ It has deoxyribose sugar and is acidic in nature.
$(d)$ It has only three nitrogen bases.

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Which of the following statements are correct regarding $DNA$?$(a)$ It is double stranded helically coiled.$(b)$ The two strands are complementary and anti-parallel.$(c)$ It has deoxyribose sugar and is acidic in nature.$(d)$ It has only three nitrogen bases.