In the structure of $DNA$,the length of one full turn is $.........$ and the number of nitrogen base pairs is $...........$.
- A$34 \mathring A, 10$
- B$20 \mathring A, 10$
- C$3.4 \mathring A, 20$
- D$2.0 \mathring A, 20$
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Identify the correct matching for Euchromatin and Heterochromatin from the given statements:
$I -$ Loosely packed
$II -$ Densely packed
$III -$ Darkly stained region
$IV -$ Lightly stained region
$V -$ Transcriptionally active chromatin
$VI -$ Transcriptionally inactive chromatin
Euchromatin $\quad\quad$ Heterochromatin
$I -$ Loosely packed
$II -$ Densely packed
$III -$ Darkly stained region
$IV -$ Lightly stained region
$V -$ Transcriptionally active chromatin
$VI -$ Transcriptionally inactive chromatin
Euchromatin $\quad\quad$ Heterochromatin
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