The hereditary material present in the bacterium E.coli is (a) singlestranded DNA (b) doublestranded DNA (c) DNA (d) RNA.
Option B E. coli is a gramnegative, rod shaped, motile or nonmotile bacteria. E. coli contains a double stranded DNA as its genetic material. The DNA is not associated with any histone proteins so it is referred to as naked DNA. This DNA is circular with no free ends.
