MOLECULAR BIOLOGY EXAM LATEST WITH UPDATED QUESTIONS AND ANSWERS
MOLECULAR BIOLOGY EXAM LATEST WITH UPDATED QUESTIONS AND ANSWERS The main support to the DNA molecule is provided by two "backbones" which run along the two sides of the double helix. These backbones consist of... a) sugars joined by ester links b) phosphates joined by ester links c) sugars and phosphates linked together d) phosphates and bases linked together e) sugars and bases linked together - ANSWERc) A DNA nucleotide contains 1) a ringed nitrogen-containing part 2) a single ring containing five carbons 3) a part which contains four oxygen atoms surrounding a central atom of phosphorus
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