$X$ -ray diffration data produced by ........ and……..
James Watson and Francis Crick
Maurice Wilkins and Francis Crick
Erwin Chargaff and Rosalind Franklin
Maurice Wikins and Rosalind Franklin
Satellite $DNA$
Assertion: An organism with lethal mutation may not even develop beyond the zygote.
Reason: All types of gene mutations are lethal.
Which of the following is the simplest amino acid
Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain
Plasmids so found in bacteria are