Final answer:
The hydrogen bonds linking Adenine (A) and Thymine (T) are represented by two bonds, maintaining the structure and stability of the DNA's double helix through complementary base pairing.
Step-by-step explanation:
The diagram for hydrogen bonds linking bases Adenine (A) and Thymine (T) would show the nucleotide bases A and T connected by two hydrogen bonds. These bonds are facilitated by the molecular geometries of the nucleotides, which allow for the optimal placement of hydrogen bond donors and acceptors. The sugar-phosphate backbone of DNA maintains the structure, while the hydrogen bonds are critical for the stability of the DNA double helix structure through complementary base pairing.
In contrast, the pairings between Guanine (G) and Cytosine (C) involve three hydrogen bonds. This complementary base pairing is fundamental to the replication of DNA as it ensures the correct genetic information is passed on during cell division (mitosis). Chargaff's rules, which describe the consistent A/T and G/C ratio across species, further support the specificity of these hydrogen bond interactions in DNA.