Biological Classification And System Of Classification Question 526
Question: $ K_{12} $ plasmid was studied first in
Options:
A) E. coli
B) Shigella
C) Salmonella
D) Eberthella
Show Answer
Answer:
Correct Answer: A
Solution:
$ K_{12} $ plasmid was first studied in E.coli, by two American scientist Lederberg and Tatum (1946).