Ace the Australian Year 10 Biology Test 2026 – Unleash Your Inner Science Dynamo!

Guanine pairs with Cytosine in DNA through the formation of three hydrogen bonds, which makes this base pairing particularly strong and stable. This specific pairing is integral to the structure of the DNA double helix, maintaining its stability and integrity. Each base in DNA forms specific pairings, known as complementary base pairing, which is crucial for the accurate replication of DNA during cell division. The pairing between guanine and cytosine contributes to the overall structure of the DNA molecule and is essential for the encoding of genetic information.