Which scientists first gave experimental evidence that DNA is the genetic material?

1. Avery, MacLeod , and McCarty who repeated the transformation experiments of Griffith, and chemically characterized the transforming principle.

2. Garrod, who postulated that Alcaptonuria, or black urine disease, was due to a defective enzyme.

3. Beadle and Tatum, who used a mutational and biochemical analysis of the bread mold Neurospora to extablish a direct link between genes and enzymes. 

4. Meselson and Stahl who showed that DNA is replicated semiconservatively.

Subtopic:  Search for Genetic Material: II | Search for Genetic Material |
 90%
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The function of the rho protein is 

1. to help terminate translation

2. to help RNA polymerase bind to the DNA

3. to help RNA polymerase find a promoter

4. to help terminate transcription

Subtopic:  Transcription: III | Transcription |
 77%
From NCERT
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Which of the following is a genetic material?

1. Dideoxyribo nucleic acid

2. Deoxyribo nucleic acid

3. Deoxyribulose nucleic acid

4. Deoxyribosome nucleic acid

Subtopic:  The DNA |
 82%
From NCERT
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Polymerisation of which of the following produces Nucleic acids?

1. Nucleosides

2. Nucleotides

3. DNA and RNA

4. Both A and B

Subtopic:  The DNA |
 76%
From NCERT
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Which of the following is a genetic material in most of the organisms?

1. DNA

2. RNA

3. Both DNA and RNA

4. Nucleic Acid

Subtopic:  DNA vs RNA as Genetic Material |
 90%
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Which of the following can act as genetic material?

1. RNA only

2. DNA only

3. DNA but not RNA

4. DNA and RNA

Subtopic:  The DNA | DNA vs RNA as Genetic Material |
 89%
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RNA can act as

1. Adapter molecule but not catalytic molecule

2. Catalytic molecule but not Adapter molecule

3. Structural molecule but not catalytic molecule

4. Genetic material

Subtopic:  The DNA |
 84%
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RNA cannot act as

1. Adapter molecule

2. Catalytic molecule

3. Respiratory substrate

4. Genetic material

Subtopic:  The DNA |
 93%
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RNA can act as

1. Adapter molecule

2. Catalytic molecule as well as Genetic material

3. Structural molecule

4. All of the above

Subtopic:  The DNA |
 97%
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How many types of nucleic acids are found in the living system?

1. 1

2. 2

3. 4

4. 3

Subtopic:  The DNA |
 83%
From NCERT
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