Which is wrong about nucleic acids ?

Question

Which is wrong about nucleic acids ?

Which is wrong about nucleic acids ?
A. DNA is single stranded in some viruses
B. RNA is double stranded occasionally
C. Length of one helix is 45 `Å` in B-DNA
D. One turn of Z-DNA has 12 bases

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Length of one helix or the pitch per tum of helix is 34 `Å` in B-DNA, 25 `Å` in A-DNA and 46 A in Z-model of DNA. In Z-DNA sugar moieties are seen in opposite direction. So the 3-5 diester bond forms zig-zag structure in Z-DNA.

4 views Answered 2023-02-05 15:29