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| Answers to these Questions |
1. Why did Fredrick Griffith get a different result when he injected a mixture
of heat-killed pathogenic and live non-pathogenic Streptococcus pneumoniae
bacteria than he did when he injected heat-killed pathogenic or live
non-pathogenic Streptococcus pneumoniae bacteria alone?
- What happened in the bacteria mixture that made it different than the
two types of bacteria alone?
2. What is the structure of a nucleotide? How does the structure of a single
nucleotide result in the fact that a nucleic acid has a structural polarity?
3. What were the contributions of Rosalind Franklin, James Watson, and Francis
Crick to the elucidation of the double-helical structure of DNA?
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Last updated 04/2004.