Double-stranded DNA looks like a ladder that has been twisted into a helix,or spiral.The rungs of the ladder are
A) individual nitrogenous bases.
B) pairs of bases.
C) alternating bases and phosphate groups.
D) alternating sugars and bases.
E) alternating bases,sugars,and phosphates.
Correct Answer:
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Q30: The characteristic of DNA that allows
Q31: The antiparallel relationship of the two strands
Q32: Which statement about the semiconservative replication of
Q33: What accounts for the uniform diameter of
Q34: In a growing DNA strand,each monomer is
Q36: DNA is held together in a double
Q37: Which element is not found in DNA?
A)
Q39: Although DNA is made up of only
Q40: The nitrogenous bases (and the two strands
Q167: Which feature of the Watson and Crick
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