Multiple Choice
In the two common Watson-Crick base pairs of DNA
A) Adenine (A) is joined to thymine (T) by three hydrogen bonds, while guanine (G) is joined to cytosine (C) by two hydrogen bonds.
B) Adenine (A) is joined to thymine (T) by two hydrogen bonds, while guanine (G) is joined to cytosine (C) by three hydrogen bonds.
C) Adenine (A) is joined to cytosine (C) by three hydrogen bonds, while guanine (G) is joined to thymine (T) by two hydrogen bonds.
D) Adenine (A) is joined to cytosine (C) by two hydrogen bonds, while guanine (G) is joined to thymine (T) by three hydrogen bonds.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: You have isolated a DNA molecule that
Q4: A Hoogsteen base pair differs from a
Q5: Explain how "hydrophobic bonding" stabilizes double-stranded DNA
Q6: Lowering the salt concentration of a DNA
Q7: Which statement is not true about DNA
Q9: Edwin Chargaff found that the base composition
Q10: Watson and Crick noted that DNA's structure
Q11: Supercoiling is a form of DNA<br>A) primary
Q12: DNA-mediated heredity derives from which part of
Q13: The _ carries a message (the base