Economic Importance of Bacteria — Question 3
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(a) The first antibiotic penicillin was discovered by ............... .
(b) ............... bacteria is found living in the nodules on the roots of leguminous plants.
(c) The hormone ............... was the first substance produced by Escherichia coli.
(d) ............... is an example of denitrifying bacteria.
(e) ............... and ............... are the two heterotrophic modes of nutrition in bacteria.
(a) The first antibiotic penicillin was discovered by Alexander Fleming.
(b) Rhizobium bacteria is found living in the nodules on the roots of leguminous plants.
(c) The hormone insulin was the first substance produced by Escherichia coli.
(d) Pseudomonas is an example of denitrifying bacteria.
(e) Saprotrophic and parasitic are the two heterotrophic modes of nutrition in bacteria.