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).
Give the historical background of $DNA.$
Chargaff's rules are applicable to
Nucleic acids exhibit secondary structure. Describe through Watson-Crick model.
In the $340 A^o$ long $DNA$ strand
A given double stranded $DNA$ molecule is $1,00,000$ base pairs long. The length of this $DNA$ molecule will be