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Subject: Biology, asked on 24/9/22

What are transgenic animals? Explain any four ways in which such animals can be beneficial for humans.

Subject: Biology, asked on 22/9/22

What is PCR? List the three main steps. Show the steps with a diagrammatic sketch.

Subject: Biology, asked on 14/9/22

Question 20.
(i) Mention the cause and the body system affected by ADA deficiency in humans.
(ii) Name the vector used for transferring ADA-DNA into the recipient cells in humans. Name the recipient cells. (All India 2012)

Subject: Biology, asked on 10/9/22


What are Cry proteins? Name an organism that produces it. How has man exploited this protein to his benefit?

Subject: Biology, asked on 9/9/22

xplain how Eli Lilly, an American company, produced insulin by recombinant DNA technology.

Subject: Biology, asked on 9/9/22

Describe the structure and function of a tRNA molecule. Why is it referred to as an adapter molecule?

Subject: Biology, asked on 22/8/22

What are Cry proteins? Name an organism that produces it. How has man exploited this protein to his benefit?

Subject: Biology, asked on 26/7/22

What is ELISA? How is the ELISA test carried out? Give its application.

Subject: Biology, asked on 18/7/22

Q157) Which of the following is / are vegetative propagule ( s ) ?
( a ) Eyes of Potato
( b ) Zoospore of Chlamydomonas
( c ) Rhizome of Ginger
( d ) Buds in Hydra
( e ) Bulbil of Agave

Choose the most appropriate answer from the options given below : ( 1 ) ( a ),( c ),( e ) only
( 2 ) ( a ),( b ),( c ),( d ) only
( 3 ) ( b ),( d ) only
( 4 ) ( c ) only

Subject: Biology, asked on 18/7/22

Q133) Given below are two statements : one is labelled as Assertion ( A ) and the other is labelled as Reason ( R ) .

Assertion ( A ) : A father will never pass the gene for haemophilia to his sons .

Reason ( R ) : Haemophilia is sex - linked ( X - linked ) recessive trait .

In the light of the above statements , choose the correct answer from the options given below :

( 1 ) ( A ) is not correct but ( R ) is correct

( 2 ) Both ( A ) and ( R ) are correct and ( R ) is the correct explanation of ( A )

( 3 ) Both ( A ) and ( R ) are correct but ( R ) is not the correct explanation of ( A )

( 4 ) ( A ) is correct but ( R ) is not correct

Subject: Biology, asked on 26/5/22

how does pcr help in detection of any disease? ik that it amplifies the gene amount but after that how are we able to identify the disease?

Subject: Biology, asked on 24/5/22

Plz tell me the ans of thse questions sir maam

Subject: Biology, asked on 15/5/22

Describe the Restrictions modification system with proper diagram.(3 M)

Subject: Biology, asked on 20/4/22

Answer this question with proper explanation and diagram.

Subject: Biology, asked on 20/4/22

Answer as soon as possible.

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