14. The chemical instructions in DNA are due to
a. the way the bases are paired                                                             b. the order of the bases in DNA
c. the arrangement of the sugar and phosphate molecules         d. the codons in mRNA

Note: this is not the first time that a question about this topic has appeared on this quiz; this is important!

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Emma Erdahl, Associate Professor of Biology
Northern Virginia Community College
Revised 8/23/00