Gene Transfer In Plants

Opine synthesis is the property

A:

conferred to plant cells when it transformed by Agrobacterium tumefaciens

B:

determined by the bacteria Agrobacterium tumefaciens

C:

both (a) and (b)

D:

of normal plant cells

Answer: C

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The right segment of octopine T-DNA (TR) is necessary for

A:

enzymes for agropine biosynthesis

B:

tumour formation

C:

conjugative transfer

D:

all of these

Answer: A

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Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?

A:

It is carried out with the help of micromanipulator

B:

The recipient cells are immobilized on artificial support or artificially bound to substarate

C:

It employs needle with diameter greater than cell diameter

D:

all of the above

Answer: C

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The left segment of octopine T-DNA (TL) is necessary for

A:

enzymes for agropine biosynthesis

B:

tumour formation

C:

conjugative transfer

D:

all of these

Answer: B

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Which of the following is not true about the direct repeats flanking T-DNA?

A:

They are conserved between nopaline and octopine Ti-plasmids

B:

These repeats are transferred intact to the plant genome

C:

These are important in integration mechanism

D:

all of the above

Answer: B

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Questions for: Gene Transfer In Plants