Module 1

Question 1

Explain how the structure of DNA is related to its functions

Answer 1

• Sugar-phosphate backbone so provides strength and protects bases
• large molecule so can store lots of information
• helix and coiled so compact
• base sequence allows for information to be stored
• double stranded so semi-conservative replication where both strands act as template strands
• weak hydrogen bonds for replication and unzipping