NEETMicrobes in Human WelfareHard
Question
Human insulin is being commecially produced from a transgenic species of
Options
A.Escherichia
B.Mycobacterium
C.Rhizobium
D.Saccharamyces
Solution
In 1983 an American company Eli Lily producrs the first genetically engineered insulin by first synthesizing two DNA sequences corresponding to α and β insulin chains. The two DNA sequences or genes were made to fuse with plasmids of escherichia coli and later allowed to form insulin chins.
Rhizobium is a Gram negative, aerobic, motile, non-spore forming symbiotic nitrogen fixing bacterium. It can fix nitrogen only when they are present inside the root nodules.
Mycobacterium tuberculosis causes tuberculosis in man. Tuberculosis is an acute bacterial infection of the lungs, lymph and meninges.
Saccharamyces cerevisiae is known as Baker’s yeast and Saccharamyces ellipsoidens is wine yeast and are used in baking and brewing industry respectively.
Rhizobium is a Gram negative, aerobic, motile, non-spore forming symbiotic nitrogen fixing bacterium. It can fix nitrogen only when they are present inside the root nodules.
Mycobacterium tuberculosis causes tuberculosis in man. Tuberculosis is an acute bacterial infection of the lungs, lymph and meninges.
Saccharamyces cerevisiae is known as Baker’s yeast and Saccharamyces ellipsoidens is wine yeast and are used in baking and brewing industry respectively.
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