Antiparallel strands of a $DNA$ molecule means that
one strand turns clockwise
one strand turns anticlockwise
the phosphate groups of two $DNA$ strands, at their ends, share the same position
the phosphate groups at the start of two $DNA$ strands are in opposite position (pole).
The $A/U$ and $G/U$ ratio in $RNA$ is
Describe double helix structure of $DNA$ and how are the sequences of other strand predicted.
Which of the following nitrogenous bases are common for both $RNA$ and $DNA$?
What is the function of histones in $DNA$ packaging ?
It is absent in $RNA$.