MCQ
In a mixture, $DNA$ fragments are separated by
- APolymerase chain reaction
- BBioprocess engineering
- CRestriction digestion
- ✓Electrophoresis
Polymerase chain reaction is used to amplify nucleic acids.
Bioprocess engineering comprises maintenance of sterile ambience in chemical engineering processes to enable growth of only the desired microbes eukaryotic cell in large quantities for the manufacture of biotechnological products like antibiotics, vaccines etc.
Restriction digestion is performed by incubating purified DNA molecules with the restriction enzyme, at optimal conditions.
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$I.$ Yeast used in making bread and beverages is a prokaryotic fungus
$II.$ Streptokinase is produced by Streptococcus and modified by genetic engineering is used as a clot buster
$III.$ Lipases are added in detergent for removing only stains from laundry
$IV.$ Pectinases are used in clearing fruit juices
Which of the statement given above are correct?
$R$ : Total biomass of a tree in a specific area is more than that of herbivores.