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Questions and Answers
What is the main building block of a polynucleotide?
What is the main building block of a polynucleotide?
- Monosaccharides
- Lipids
- Nucleotides (correct)
- Amino acids
What is the difference between deoxyribose and ribose sugars?
What is the difference between deoxyribose and ribose sugars?
- Deoxyribose has an additional oxygen atom in the second carbon.
- Ribose has an additional methyl group in the second carbon.
- There is no difference between the two sugars.
- Ribose has an additional oxygen atom in the second carbon. (correct)
What are the two types of nitrogenous bases found in nucleic acids?
What are the two types of nitrogenous bases found in nucleic acids?
- Monosaccharides and disaccharides
- Lipids and proteins
- Amino acids and carboxylic acids
- Purines and pyrimidines (correct)
What is the difference between a nucleoside and a nucleotide?
What is the difference between a nucleoside and a nucleotide?
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What is the significance of the 5' and 3' notation in polynucleotides?
What is the significance of the 5' and 3' notation in polynucleotides?
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Why is DNA negatively charged?
Why is DNA negatively charged?
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