Transgenic Plant
Which of the following gene is transferred to plants that detoxify the herbicide atrazine?

Nitrilase
Phosphinothrium acetyl transferase
Glutathione S-transferase (GST)
All of these

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

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