T-DNA transfer and processing into plant genome requires products of which of the following genes? vir G,C All of these vir A,B vir D,E TRUE ANSWER : ? YOUR ANSWER : ?
Opine synthesis is the property both (a) and (b) conferred to plant cells when it transformed by Agrobacterium tumefaciens determined by the bacteria Agrobacterium tumefaciens of normal plant cells TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true about Agrobacterium tumefaciens? It infects dicotyledonous angiosperms It causes crown gall disease of plants All of these It infects gymosperms TRUE ANSWER : ? YOUR ANSWER : ?
The right segment of octopine T-DNA (TR) is necessary for conjugative transfer tumour formation all of these enzymes for agropine biosynthesis TRUE ANSWER : ? YOUR ANSWER : ?
The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as transfer sequences cos site flanking sequences border sequences TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not true about the helper plasmids? These can't replicate in Agrobacterium All of these These help in the mediating conjugation of intermediate vectors These can replicate in Agrobacterium TRUE ANSWER : ? YOUR ANSWER : ?
Liposomes mediated gene transfer in plants involves fusion of liposomes with protoplast use of polyethylene glycol (PEG) All of these plasmid DNA enclosed in a lipid bag TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not true about the direct repeats flanking T-DNA? These repeats are transferred intact to the plant genome These are important in integration mechanism They are conserved between nopaline and octopine Ti-plasmids All of these TRUE ANSWER : ? YOUR ANSWER : ?
Virulence trait of Agrobacterium tumefaciens is borne on chromosomal DNA tumour inducing plasmid DNA both chromosomal and plasmid DNA cryptic plasmid DNA TRUE ANSWER : ? YOUR ANSWER : ?
The left segment of octopine T-DNA (TL) is necessary for all of these tumour formation conjugative transfer enzymes for agropine biosynthesis TRUE ANSWER : ? YOUR ANSWER : ?