Transgenic Plant
Resistance to L-phosphinothrium in tobacco plants is developed by the transfer of

gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase)
any of the above
gene for ALS (acetolactate synthase)
gene for GS (glutamine synthase)

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Transgenic Plant
Which of the following has been widely used to provide resistance against plant viruses?

Expression of ribonuclease (RNase) genes in host plants
Expression of anti-virus genes in vectors that transmit viruses
Virus resistance genes from bacteria
Expression of virus coat protein genes in transgenic plants

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Transgenic Plant
In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that

these proteins trigger the production of other antimicrobial defenses
expression of two PR proteins provides some protection against a few pathogens
these provide no protection at all against pathogens
expression of one PR protein provides high levels of protection against many pathogens

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