Molecular Basis Of Inheritance Ques 23
23. Semi-conservative replication of DNA was first demonstrated in:
(a) Escherichia coli
(b) Streptococcus pneumoniae
(c) Salmonella typhimurium
(d) Drosophila melanogaster
Show Answer
Answer : a
Hints & Solution
(a) Semiconservative replication of DNA was first demonstrated in Escherichia coli. E. coli is a common type of bacteria that can get into food, like beef and vegetables. The strange thing about these bacteria is that they are not always harmful to you. E. coli normally lives inside your intestines, where it helps your body breakdown and digest the food you eat.
BETA
