Which of the following are the purine nucleotides in DNA?
A) Adenine and thymine
B) Cytosine and guanine
C) Adenine and cytosine
D) Guanine and adenine
E) Thymine and uracil
Correct Answer:
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Q10: Topoisomerases function to
A)remove nucleotides from DNA.
B)join DNA
Q11: Certain _ have RNA for their genetic
Q12: Complementary base-pairing allows for
A)spontaneous mutations to occur.
B)genes
Q13: The displacement loop (D-loop)may be a characteristic
Q14: Antiparallel means that
A)the two polynucleotide chains run
Q16: Loosely aggregated DNA bound to proteins in
Q17: Which form of DNA is a left-handed
Q18: What was the transforming principle isolated in
Q19: Which of the following is a nonhistone
Q20: What is the C-value paradox,and what is
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