11. Overview of Molecular Genetics

Question 1

Functions of DNA (4)

Answer 1

1. Storage of genetic information
2. Replication of information
3. Expression of genetic information
4. Control of genetic information

Question 2

Viral Nucleic Acid Processes

Answer 2

1. Reverse Transcription

2. Replicase (RNA dependent RNA polymerase)

Question 3

Beadle and Tatum Principle and Exception

Answer 3

“One Gene–One Enzyme” (Every gene codes for a unique enzyme)
Exceptions: Hemoglobin (2 copies on each chromosome 16), rRNA and tRNA genes (dozens to hundreds of copies)

Question 4

Major Stabilizing Factor of DNA

Answer 4

Stacking Energy (Van der Waals and Hydrophobic Interactions between bases on a strand of DNA)