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Q. No.Which of the following is not the characteristic feature of genetic code?
1.
The codon is triplet
2.
The code is nearly universal
3.
The code has punctuations
4.
Some amino acids are coded by more than one codon, hence the code is degenerate
Subtopic: Genetic Code |
90%
Level 1: 80%+
NEET - 2024
Hints
Which of the following technique was used to elucidate the double helix model of DNA?
1. \(\gamma\)-radiation
2. Electromagnetic radiation
3. UV-Vis spectroscopy
4. X-ray diffraction
1. \(\gamma\)-radiation
2. Electromagnetic radiation
3. UV-Vis spectroscopy
4. X-ray diffraction
Subtopic: DNA Double Helix |
87%
Level 1: 80%+
NEET - 2024
Hints
Which experimental material was used by Taylor and colleagues to prove that DNA in chromosomes replicates semiconservatively?
| 1. | Vicia faba | 2. | Pisum sativum |
| 3. | Solanum tuberosum | 4. | Oryza sativa |
Subtopic: DNA Replication |
93%
Level 1: 80%+
NEET - 2024
Hints
In the lac operon, the i gene codes for:
1. Inducer
2. Repressor
3. \(\beta\)-galactosidase
4. Permease
1. Inducer
2. Repressor
3. \(\beta\)-galactosidase
4. Permease
Subtopic: Gene Regulation: Lac Operon |
68%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-III, B-II, C-IV, D-I
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III; C-I, D-II
4. A-II, B-IV, C-I, D-III
| List-I | List-II | ||
| A. | RNA polymerase III | I. | snRNPs |
| B. | Termination of transcription | II. | Promotor |
| C. | Splicing of Exons | III. | Rho factor |
| D. | TATA box | IV. | SnRNAs, tRNA |
1. A-III, B-II, C-IV, D-I
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III; C-I, D-II
4. A-II, B-IV, C-I, D-III
Subtopic: Transcription:II | Transcription: III |
86%
Level 1: 80%+
NEET - 2024
Hints
Which one is the correct product of DNA dependent RNA polymerase to the given template?
3'TACATGGCAAATATCCATTCA5'
1. 5'AUGUAAAGUUUAUAGGUAAGU3'
2. 5'AUGUACCGUUUAUAGGGAAGU3'
3. 5'ATGTACCGTTTATAGGTAAGT3'
4. 5'AUGUACCGUUUAUAGGUAAGU3'
3'TACATGGCAAATATCCATTCA5'
1. 5'AUGUAAAGUUUAUAGGUAAGU3'
2. 5'AUGUACCGUUUAUAGGGAAGU3'
3. 5'ATGTACCGTTTATAGGTAAGT3'
4. 5'AUGUACCGUUUAUAGGUAAGU3'
Subtopic: Transcription: I |
56%
Level 3: 35%-60%
NEET - 2024
Hints
Which of the following statement is correct regarding the process replication in E. coli ?
| 1. | The DNA dependent RNA polymerase catalyses polymerization in one direction, that is 5' \(\rightarrow\) 3' |
| 2. | The DNA dependent DNA polymerase catalyses polymerization in 5' \(\rightarrow\) 3' as well as the 3' \(\rightarrow\) 5' direction. |
| 3. | The DNA dependent DNA polymerase catalyses polymerization in 5' \(\rightarrow\) 3' direction. |
| 4. | The DNA dependent DNA polymerase catalyses polymerization in one direction which is 3' \(\rightarrow\) 5'. |
Subtopic: DNA Replication |
57%
Level 3: 35%-60%
NEET - 2024
Hints
Match List I with List II:
Choose the correct answer from the options given below:
1. A-III, B-IV, C-I, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-II, C-I, D-IV
| List I | List II | ||
| A. | Frederick Griffith | I. | Genetic code |
| B. | Francois Jacob & Jacque Monod | II. | Semi-conservative mode of DNA replication |
| C. | Har Gobind Khorana | III. | Transformation |
| D. | Meselson Stahl | IV. | Lac operon |
Choose the correct answer from the options given below:
1. A-III, B-IV, C-I, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-I, C-II, D-III
4. A-III, B-II, C-I, D-IV
Subtopic: Search for Genetic Material:I | Genetic Code: I | Gene Regulation: Lac Operon | Search for Genetic Material |
81%
Level 1: 80%+
NEET - 2024
Hints
The lactose present in the growth medium of bacteria is transported to the cell by the action of:
1. Acetylase
2. Permease
3. Polymerase
4. Beta-galactosidase
1. Acetylase
2. Permease
3. Polymerase
4. Beta-galactosidase
Subtopic: Gene Regulation: Lac Operon |
64%
Level 2: 60%+
NEET - 2024
Hints
A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and downstream end:
1. Structural gene, Transposons, Operator gene
2. Inducer, Repressor, Structural gene
3. Promotor, Structural gene, Terminator
4. Repressor, Operator gene, Structural gene
1. Structural gene, Transposons, Operator gene
2. Inducer, Repressor, Structural gene
3. Promotor, Structural gene, Terminator
4. Repressor, Operator gene, Structural gene
Subtopic: Transcription: I |
88%
Level 1: 80%+
NEET - 2024
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