1Differentiate DNA and RNA on the basis of nitrogen bases, sugar, function and location.
2What is DNA? Where is it found in a cell?
3Distinguish between a nucleoside and a nucleotide.
4What is a gene? How is a gene related to a chromosome?
5How do the nitrogen bases pair in DNA and in RNA?
6How does DNA help to pass characters from one generation to another?
7Name the types of RNA. What is the main function of RNA?
8One strand of DNA has its bases in the order A T T G C A. Write the partner strand and find the total number of bonds holding the pairs together.
9Why do individuals of the same kind have different qualities?