5 Questions
What is the foremost job of DNA as the molecule of heredity?
Storing and copying genetic information
What puzzled many scientists about DNA?
How it precisely copies itself without losing information
What must DNA do before a cell divides?
Make a complete copy of all its genes
What is the key role of genes in an organism?
Storing genetic information in DNA
What was the most intriguing aspect of DNA for many scientists?
Precisely copying itself without losing information
Test your knowledge on the Hershey and Chase experiment which determined that DNA, not protein, is responsible for carrying genetic information. Learn about the use of radioactive isotopes to track the entry of viral components into bacterial cells.
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