Transgenic Plant
Transgenic plants with increased tolerance to aluminum have been produced by making plants that

bind aluminum to the cell wall
secrete citrate into the soil
make more metal-binding peptides like phytochelatins
secrete phytosiderophores into the soil

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Transgenic Plant
Expression of antisense RNA in transgenic plants is a general method used to

reduce or eliminate the expression of individual genes
eliminate the expression of all genes in a biochemical pathway
activate the expression of all genes in a biochemical pathway
block the expression of virus coat protein genes

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

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

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