Restriction fragment length polymorphism denotes that a single restriction enzyme produces fragments of different lengths from the same stretch of genomic DNA of different strains of a species or from different related species. RFLPs are detected as follows:

i.  Large molecular weight genomic DNA is isolated from several strains or related species;

ii.  The fragments in these digests are separated through electrophoresis

iii.  These 'DNAs are then digested with a selected restriction enzyme

iv.  Exposed to a suitably radio-labelled appropriate DNA probe under conditions favouring DNA: DNA hybridization

v.  The resulting gel lanes are transferred and fixed to a suitable solid support and

vi.   The free probes are removed

vii.  The fragments to which the probe has hybridized are detected by filming them as distinct bands on a suitable photofilm through autoradiography.

#Question id: 10772

#Section 3: Genetics, Cellular and Molecular Biology

#Question id: 10773

#Section 3: Genetics, Cellular and Molecular Biology

#Question id: 10774

#Section 6: Plant, Animal and Microbial Biotechnology

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?

#Question id: 10775

#Section 6: Plant, Animal and Microbial Biotechnology

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?

#Question id: 10776

#Section 6: Plant, Animal and Microbial Biotechnology

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________

#Question id: 10777

#Section 6: Plant, Animal and Microbial Biotechnology

Why pyrethroids are synthetically and commercially viable and applicable ?