Multiple Choice
What are the four nucleotide bases that make up the "rungs" of the nucleotide ladder of DNA?
A) adenine,thymine,guanine,cytosine
B) adenine,uracil,guanine,cytosine
C) adenine,thymine,cytosine,phosphate
D) adenine,cytosine,nitrogen,phosphate
E) adenine,cytosine,sugar,phosphate
Correct Answer:

Verified
Correct Answer:
Verified
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