Comprehension
James Watson and Francis Crick gave a double strand helix structure for DNA. Two Nucleic acid chains are wound about each other and held together by hydrogen bonds between pairs of bases. The two strands are complementary to each other because the hydrogen bonds are formed between specific pairs of bases. Adenine forms hydrogen bonds with thymine whereas cytaine forms hydrogen bonds with quanine.
Question: 1
Nucleic acids are known as the problem of nucleotides and these nucleotides are joined together through phosphodiester linkage. Identify the correct sequence of attachment.
Nucleic acids are known as the problem of nucleotides and these nucleotides are joined together through phosphodiester linkage. Identify the correct sequence of attachment.
Updated On: Sep 23, 2024
- Phosphate - Sugar - base
- Base - sugar - Base
- Sugar - Base - Sugar
- Phosphate - Base - phosphate
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The Correct Option is A
Solution and Explanation
The correct option is (A) :Phosphate - Sugar - base.
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Question: 2
Match List I with List IIList I List II A. Nucleic Acids I. Phosphodiester linkage B. Nucleotides II. Base and Sugar C. Nucleosides III. Phosphoric acid D. Dinucleotide IV. Protein synthesis
Choose the correct answer from the options given below :
Match List I with List II
Choose the correct answer from the options given below :
| List I | List II | ||
| A. | Nucleic Acids | I. | Phosphodiester linkage |
| B. | Nucleotides | II. | Base and Sugar |
| C. | Nucleosides | III. | Phosphoric acid |
| D. | Dinucleotide | IV. | Protein synthesis |
Updated On: Sep 23, 2024
- A-IV, B-III, C-II, D-I
- A-III, B-IV, C-I, D-II
- A-IV, B-II, C-I, D-III
- A-III, B-II, C-I, D-IV
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The Correct Option is A
Solution and Explanation
The correct option is (A) :A-IV, B-III, C-II, D-I.
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Question: 3
The sugar component in RNA molecule is _______.
The sugar component in RNA molecule is _______.
Updated On: Sep 23, 2024
- β - D - Glucose
- D - Glucose
- β - D - Ribose
- D - Ribose
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The Correct Option is D
Solution and Explanation
The correct option is (D) :D - Ribose.
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Question: 4
Nucleic acids have the coded message for the proteins to be sythesised in the cell. Protein synthesis takes place through a process known as :
Nucleic acids have the coded message for the proteins to be sythesised in the cell. Protein synthesis takes place through a process known as :
Updated On: Sep 23, 2024
- Transcription
- Translation
- Protonation
- Protination
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The Correct Option is B
Solution and Explanation
The correct option is (B) :Translation.
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Question: 5
Some of the drugs are considered very harmful and are known to affect Nucleic acids RNA and DNA. Out of the following, which one is known to be banned ?
Some of the drugs are considered very harmful and are known to affect Nucleic acids RNA and DNA. Out of the following, which one is known to be banned ?
Updated On: Sep 23, 2024
- Penicilin
- Codeine
- Aspirin
- Phenacetin
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The Correct Option is D
Solution and Explanation
The correct option is (D) :Phenacetin.
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