Bacillus thuringiensis forms protein crystals, which contain insecticidal protein
binds with epithelial cells of midgut of the insect pest ultimately killing it
is coded by several genes including the gene cry
is acitvated by acid of pH of the foregut is the insect pest
is acitvated by acid of pH of the foregut is the insect pest
A.
binds with epithelial cells of midgut of the insect pest ultimately killing it
Soil bacterium Bacillus thuringuensis (Bt) possesses is a gene family cry gene (1-40) over its plasmid, which forms endotoxic proteins, cry protein (protein crystals) during a particular phase of its growth. These crystals contain a toxic insecticidal protein.This toxin, however, does not kill the Bacillus.Actually, the BT toxin protein exists as an inactive toxin, it is converted into an active form of toxin due to the alkaline pH of the gut which solubilizes the crystals. The activated toxin binds to the surface of midgut epithelial and lysis, and eventually cause the death of the insect.
Which one of the following organisms is not an example of eukaryotic cells?
Escherichia Coil
Euglena Viridis
Amoeba proteus
Amoeba proteus
The genetically - modified (GM) brinjal in India has been developed for
insect - resistance
enhancing self- life
enhancing mineral content
enhancing mineral content
When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often superior to both its parents. This phenomenon is called
transformation
splicing
metamorphosis
metamorphosis
In history of biology, human genome project led to the development of
biotechnology
biomonitoring
bioinformatic
bioinformatic
