Multiple Choice
Which of the following statements best describes the orientation of the two strands of DNA?
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14. DNA Synthesis
Discovering the Structure of DNA
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Which one of the following nucleotide pair bonds would be found in a DNA molecule?
A
Cytosine-Thymine
B
Adenine-Uracil
C
Adenine-Thymine
D
Guanine-Uracil
Verified step by step guidance1
Understand that DNA is composed of two strands forming a double helix, where nucleotides on one strand pair with complementary nucleotides on the other strand.
Recall the base pairing rules for DNA: Adenine (A) pairs with Thymine (T), and Guanine (G) pairs with Cytosine (C).
Identify that Uracil (U) is not found in DNA; it is found in RNA, where it pairs with Adenine.
Evaluate the given options: Cytosine-Thymine, Adenine-Uracil, Adenine-Thymine, and Guanine-Uracil.
Determine that the correct nucleotide pair bond found in a DNA molecule is Adenine-Thymine, based on the base pairing rules.
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