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Q. No.Which one of the following is not applicable to RNA?
1. Complementary base pairing
2. 5' phosphoryl and 3' hydroxyl ends
3. Heterocyclic nitrogenous bases
4. Chargaff's rule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct order of organization of genetic material from largest to smallest.
1. Chromosome, gene, genome, nucleotide
2. Genome, chromosome, nucleotide, gene
3. Genome, chromosome, gene, nucleotide
4. Chromosome, genome, nucleotide, gene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySatellite DNA is important because it:
| 1. | Codes for proteins are needed in the cell cycle. |
| 2. | Shows a high degree of polymorphism in the population and also the same degree of polymorphism in an individual which is inheritable from parents to children. |
| 3. | Does not code for proteins and is the same in all members of the population. |
| 4. | Codes for enzymes needed for DNA replication. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGene regulation governing lactose operon of E. coli that involves the lac I gene products is:
| 1. | positive and inducible because it can be induced by lactose. |
| 2. | negative and inducible because repress or protein prevents transcription. |
| 3. | negative and repressible because repress or protein prevents transcription. |
| 4. | feedback inhibition because excess of β galactosidase can switch off transcription. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn sea urchin DNA, which is double-stranded 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are:
2. G/17%, A/16.5%, T/32.5%
3. G/17%, A/33%, T/33%
4. G/8.5%, A/50%, T/24.5%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is wrongly matched?
| 1. | Transcription- Writing information from DNA to t-RNA |
| 2. | Translation- Using the information in m-RNA to make protein |
| 3. | Repressor protein- Binds to an operator to stop enzyme synthesis |
| 4. | Operon- Structural genes, operator, and promoter |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTransformation was discovered by:
1. Meseson and Stahl
2. Hershey and Chase
3. Griffith
4. Waston and crick
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn analysis of chromosomal DNA using the Southern hybridization technique does not use:
1. Electrophoresis
2. Blotting
3. Autoradiography
4. PCR
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the correct option:
| Direction of RNA synthesis |
Direction of reading of the template DNA strand |
|
| 1. | 5'-3' | 3' - 5' |
| 2. | 3'-5' | 5' - 3' |
| 3. | 5' - 3' | 5' - 3' |
| 4. | 3' - 5' | 3' - 5' |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCommonly used vectors for human genome sequencing are:
| 1. | T-DNA | 2. | BAC and YAC |
| 3. | Expression Vectors | 4. | T/A cloning Vectors |
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