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Assetion: In recombinant DNA technology,...

Assetion: In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryote)
Reason : Both bacteria and yeast multiply very fast to form huge population, which express the desired gene

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
A
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Assertion : both bacteria and yeasts multiply very fast to form huge polulation which express the desired gene

Assertion : In recombinant DNA technology, human genes are often transferred into bacteria or yeasts. Reason : Both bacteria and yeasts multiply very fast to form huge populations which express the desired genes

Assertion. In recombinant DNA technology, human genes are often transferred into bacteria or yeast. Reason. Both bacteria and yeast multiply very fast to form huge population which expresses the desired gene

Read the given statements and select the correct option. Statement 1: Both bacteria and yeast multiply very fast to form huge populations which express the desired gene. Statement 2: In recombianr DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryotes).

An advantage of using yeasts rather than bacteria as recipient cells for the recombinant DNA of eukaryotes is that yeasts can

Assertion : Hepatitis -B vaccine produced from yeast . Reason : Recombinant DNA technology has allowed the production of antigenic polypeptides of pathogen in bacteria or yeast.

It is preferable to use yeast rather than bacteria as recipient cells for recombination of eukaryotic DNA because yeast can

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.

A bacterial cell was transformed with a recombinant DNA that was generated using a human gene. However, the transformed cells did not produce the desired protein. Reason could be

(A) : A vector is used as carrier for transferring selected genes to a bacterium, plant or animal cell. (R) : Artificial chromosomes from bacteria and yeast cells called BACs and YACs are efficient vectors.

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