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Q. No.The sequence of a DNA strand is 3'TTCGCATG 5'. The sequence of the complementary strand will be
1. 5'AAGCGTAC 3'
2. 5'CATGCGAA 3'
3. 5'CATGCGAA 3'
4. 3'CATGCGAA 5'
Subtopic: DNA Replication |
90%
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Post-transcriptional modifications in eukaryotes include
1. Polyadenylation, capping, coding
2. Capping, splicing, coding
3. Coding, splicing, polyadenylation
4. Capping, splicing, polyadenylation
1. Polyadenylation, capping, coding
2. Capping, splicing, coding
3. Coding, splicing, polyadenylation
4. Capping, splicing, polyadenylation
Subtopic: Transcription |
74%
From NCERT
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Which of the following is required as inducer(s) for the expression of Lac operon?
1. Galactose
2. Lactose
3. Lactose and galactose
4. Glucose
1. Galactose
2. Lactose
3. Lactose and galactose
4. Glucose
Subtopic: Gene Regulation: Lac Operon |
90%
From NCERT
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Which of the following is the main enzyme required for transcription?
1. DNA dependent DNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent RNA polymerase
4. RNA dependent DNA polymerase
1. DNA dependent DNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent RNA polymerase
4. RNA dependent DNA polymerase
Subtopic: Transcription |
82%
From NCERT
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In lac operon, z gene codes for :
1. \(\beta -\)galactosidase
2. Permease
3. Repressor
4. Transacetylase
1. \(\beta -\)galactosidase
2. Permease
3. Repressor
4. Transacetylase
Subtopic: Gene Regulation: Lac Operon |
90%
From NCERT
NEET - 2022
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Match List-I with List- II
Choose the correct answer from the options given below :
| List-I | List-II | ||
| (a) | In lac operon i gene codes for | (i) | transacetylase |
| (b) | In lac operon z gene codes for | (ii) | permease |
| (c) | In lac operon y gene codes for | (iii) | \(\beta-\)galactosidase |
| (d) | In lac operon a gene codes for | (iv) | Repressor |
Choose the correct answer from the options given below :
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iii) | (i) | (iv) | (ii) |
Subtopic: Gene Regulation: Lac Operon |
91%
From NCERT
NEET - 2022
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | DNA polymerases catalyse polymerisation only in one direction, that is 5' →3' |
| Statement II: | During replication of DNA, on one strand the replication is continuous while on other strand it is discontinuous. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: DNA Replication |
86%
From NCERT
NEET - 2022
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Match List-I with List-II
Choose the correct answer from the options given below:
| List- I | List-II | ||
| (a) | Bacteriophage \(\phi \times 174\) | (i) | 48502 base pairs |
| (b) | Bacteriophage lambda | (ii) | 5386 nucleotides |
| (c) | Escherichia coli | (iii) | 3.3 × 109 base pairs |
| (d) | Haploid content human DNA | (iv) | 4.6 × 106 base pairs of |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (iv) | (i) | (iii) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (i) | (ii) | (iv) | (iii) |
Subtopic: The DNA |
81%
From NCERT
NEET - 2022
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If DNA contained sulphur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?
| 1. | No radioactive sulfur in bacterial cells |
| 2. | Both radioactive sulfur and phosphorus in bacterial cells |
| 3. | Radioactive sulfur in bacterial cells |
| 4. | Radioactive phosphorus in bacterial cells |
Subtopic: Search for Genetic Material |
72%
From NCERT
NEET - 2022
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Against the codon 5' UAC 3', what would be the sequence of anticodon on tRNA ?
1. 5' AUG 3'
2. 5' ATG 3'
3. 5' GTA 3'
4. 5' GUA 3
1. 5' AUG 3'
2. 5' ATG 3'
3. 5' GTA 3'
4. 5' GUA 3
Subtopic: Translation |
From NCERT
NEET - 2022
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