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Biomolecules — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBiomolecules1 Mark
MCQ
Which is wrong about nucleic acids?
  • A
    $\text{DNA}$ is single stranded in some viruses.
  • B
    $\text{RNA}$ is double stranded occasionally.
  • ✓
    Length of one helix is $45 \mathring A$ in $\text{B-DNA.}$
  • D
    One turn of $\text{Z-DNA}$ has $12$ bases.
✓

Answer

Correct option: C.
Length of one helix is $45 \mathring A$ in $\text{B-DNA.}$
Length of one helix is $45 \mathring A$ in $\text{B-DNA}.$

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