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Multiple Choice
Which of the following attributes of DNA is most crucial to its accurate duplication?
A
Its helical nature and hydrogen bonding
B
Its phosphodiester linkages and complementary strands
C
Its deoxyribose sugar and phosphate groups
D
Its specific sequence of bases
E
Its specific base pairing through hydrogen bonds
Verified step by step guidance
1
Understand that DNA replication relies on the principle of complementary base pairing, where adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G).
Recognize that the specific sequence of bases in one strand dictates the sequence in the complementary strand due to these base pairing rules.
Acknowledge that hydrogen bonds between the bases hold the two strands of the DNA double helix together, allowing them to separate during replication.
Realize that the helical structure of DNA facilitates the unwinding and separation of strands, but the accuracy of replication is primarily due to the specific base pairing.
Conclude that the most crucial attribute for accurate DNA duplication is the specific base pairing through hydrogen bonds, ensuring that each new DNA molecule is an exact copy of the original.