$DNA$ elements, which can switch their position, are called:

In a $DNA$ molecule, the percentage of cytosine is $28\%$. Calculate the percentage of adenine. (in $\%$)

In a $DNA$ molecule,.................

The $DNA$-histone complex can be removed from chromosomes by treatment with:

Select the appropriate option for Transposons.

Identify the correct features of $DNA$ from the following statements:
$(i)$ It is made of two polynucleotide chains.
(ii) The backbone is constituted by sugar and phosphate.
(iii) The two chains have anti-parallel polarity.
(iv) The bases in the two strands are linked through $H$-bonds.
$(v)$ Both chains are coiled in a right-handed fashion.