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Special Proteins and Crop Improvement

Special Proteins and Crop Improvement
The tumor phenotype, which can be maintained indefinitely in tissue culture, results from the expression of genes on the

r-DNA
m-RNA
c-DNA
T-DNA

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Special Proteins and Crop Improvement
Microinjection technique of introducing NA is a

physical method
chemical method
biological method
combination of physical and biological method

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Special Proteins and Crop Improvement
For increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?

Mannitol dehydrogenase
Mannitol synthease
Mannitol pyrophosphorylase
Both (a) and (b)

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Special Proteins and Crop Improvement
Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be

apigeninidin
3-deoxyanthocyanidin
luteolinidin
5-0 apigeninidin

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Special Proteins and Crop Improvement
The hybrid embryo can be rescued from damage/collapse by growing it

in artificial medium
at low water activity
at low temperature
at low pH

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Special Proteins and Crop Improvement
Protoplast fusion technique generally involves

hybridization between two species
isolation only
isolation, fusion and culturing
isolation and fusion

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