Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Biology Biomolecules
The DNA double helix structure was discovered by
1
James Watson and Francis Crick
2
Rosalind Franklin and Maurice Wilkins
3
Linus Pauling
4
More than one of the above
5
None of the above