A) double-stranded, right handed and circular
B) single-stranded, right handed and circular
C) double-stranded, left handed and linear
D) double-stranded, left handed and circular
Correct Answer: A
Solution :
E. coli is a Gram negative rod-shaped bacteria that commonly found in animal faeces, lower intestines of mammal. E. coli has only one circular chromosome and the DNA is doubled stranded, right handed.
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