Genetic recombination in which a small d...

Genetic recombination in which a small double stranded place of DNA is transferred from donor bacterium to recipient bacterium by a bacteriophage was first demonstrated by

Griffith

Lederberg and Tatum

Zinder and Lederberg

Avery et.al.

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Sexual reproduction by adopting primitive type of DNA transfer from one bacterium to another by a virus was first discovered by :

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Transfer of genetic material from one bacterium to another by a virus is known as ..........

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The transfer of genetic material from one bacterium to another through the mediation of a vector like virus is termed as :

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Study the following statements regarding recombinant DNA technology and select the incorrect ones. (i) Taq polymerase extends the primers using the nucleotides provided in the reaction. (ii) Antibiotic resistance genes are considered as desirable genes in recombinant DNA technology. (iii) DNA fragments are separated according to their charge only, in agarose gel electrophoresis. (iv) Transformation is a procedure through which a piece of DNA is integrated in to the genome of a host bacterium. (v) To produce higher yields of a desired protein, host cells can be multiplied in a continuous culture. (vi) Downstream processing is one of the steps of polymerase chain reaction.

AAKASH INSTITUTE ENGLISH-BIOLOGICAL CLASSIFICATION-Exercise

Find odd one w.r.t. phototrophic nutrition
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Mark the incorrect option (w.r.t. nitrifying bacteria) (a) Nitrococcus...
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Genetic recombination in which a small double stranded place of DNA is...
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Select correct match
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Archaebacteria do not show
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Thermoacidophiles are capable of withstanding extremely low pH and hig...
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Which group of monerans played significant role in evolution of aerobi...
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Photosynthetic pigment in cyanobacteria is.
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Smallest wall-less monerans
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Which kingdom includes most diversed group of organisms and has no wel...
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Chrysophytes are (a) Diatoms and desmids (b) Diatoms and dinoflagell...
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Which of the following option for diatoms is correct ?
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The cell wall encloses the peripheral layer of cytoplasm surrounded a ...
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Red tide is caused by rapid multiplication of
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Mark the mis-matched pair
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Red-organge photosenitive pigment in Euglena is (a) Astaxanthin (b)...
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Acellular slime moulds show (a) Haploid uninucleate plasmodium (b) ...
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In acellular slime moulds, sporangium has an intricate network of cyto...
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Mark the correct match :
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Mark the odd one (w.r.t. fungi) (a) Unicisternal Golgi bodies (b) Sh...
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