41. Resistance to glyphosate in transgenic petunia plants has been developed by the transfer of
A. gene for EPSPS(5-enol-pyruvyl shikimate 3 phosphate synthase)
B. gene for ALS (acetolactate synthase)
C. gene for GS (glutamine synthase)
D. any of the above
42. Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit?
A. Sucrose
B. Mannitol
C. Nicotine
D. Octopine
43. Expression of antisense RNA in transgenic plants is a general method used to
A. activate the expression of all genes in a biochemical pathway
B. eliminate the expression of all genes in a biochemical pathway
C. block the expression of virus coat protein genes
D. reduce or eliminate the expression of individual genes
44. Tomatoes exhibiting delayed ripening express antisense RNA against
A. glycerol 1 phosphate acyltransferase
B. polygalacturonase
C. ACC deaminase
D. sucrose phosphate synthase gene
45. Given the DNA sequence ATTAAGGC, which sequence would be used by researchers as an antisense molecule?
A. AUUAAGGC
B. UAAUUCCG
C. CGGAATTA
D. TAATTCCG
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