The purine bases of the nucleic acids are
A) cytosine and adenine.
B) adenine and guanine.
C) uracil and thymine.
D) adenine and uracil.
E) guanine and pyrimidine.
Correct Answer:
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Q8: A major characteristic that distinguishes meiosis from
Q9: Telophase begins when
A)chromatids line up in the
Q10: Mitosis is most correctly defined as
A)DNA replication.
B)RNA
Q11: In the structure of DNA,which of the
Q12: In DNA replication,because each new strand contains
Q14: Cytokinesis refers to
A)DNA replication.
B)RNA transcription.
C)nuclear division.
D)cytoplasmic division.
E)ATP
Q15: The pentose sugar of DNA is
A)deoxyribose.
B)glucose.
C)fructose.
D)deoxygenose.
E)ribose.
Q16: The two major kinds of molecules that
Q17: A DNA nucleotide contains
A)deoxyribose, a nitrogenous base,
Q18: When a cell synthesizes RNA from DNA
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