The incorrect statement about nucleic acid is:
1. | It is responsible for heredity. |
2. | It is responsible for protein synthesis in a cell. |
3. | It is a constituent of the chromosome. |
4. | It is responsible for the transmission of chemical signals. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement about RNA is :
1. | The helical structure of RNA is mostly single-stranded . |
2. | It has deoxyribose sugar. |
3. | It is the chemical basis of heredity. |
4. | It contains thymine (T) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA nucleoside is different from a nucleotide as:
Nucleoside | Nucleotide | |
1. | Sugar, Protein | Sugar, Protein, Phosphoric acid |
2. | Fatty acid, Base | Fatty acid, Base, Phosphoric acid |
3. | Sugar, Base | Sugar, Base, Phosphoric acid |
4. | Sugar, Base, Phosphoric acid | Sugar, Base |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A) | The two strands of DNA are complementary to each other. |
Reason (R) | Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bonds with thymine. |
1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
3. | (A) is correct but (R) is incorrect. |
4. | Both (A) and (R) are incorrect. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology