6 Questions
What is the main building block of a polynucleotide?
Nucleotides
What is the difference between deoxyribose and ribose sugars?
Ribose has an additional oxygen atom in the second carbon.
What are the two types of nitrogenous bases found in nucleic acids?
Purines and pyrimidines
What is the difference between a nucleoside and a nucleotide?
A nucleotide has a phosphate group, while a nucleoside does not.
What is the significance of the 5' and 3' notation in polynucleotides?
It indicates the direction of the sugar-phosphate backbone.
Why is DNA negatively charged?
Due to the presence of phosphate groups on the outside
Learn about the steps involved in DNA replication and the structure of nucleic acids, including the composition of nucleotides and polynucleotides. Explore the differences between deoxyribose and ribose sugars, as well as the significance of nitrogenous bases in DNA structure.
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