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Unformatted text preview: Name: March 2008 1. DNA molecules are packaged into units called _____________. The DNA is wound around proteins called __________. Small segments of DNA that contain the instructions for particular characteristics are called ___________________. DNA consists of two strands of _____________ joined together by hydrogen bonds. This double-stranded molecule is twisted into a _______________ shape. 2. What are the parts of a nucleotide? (pieces of the molecule) _____________________________________________________________________ 3. List the components needed for DNA replication ___________________________________________________________________________________________ _______________________________________________ 4. During DNA replication, DNA polymerase adds new nucleotides to the ___________ end of the growing strand. 5. In DNA replication, nucleotides pair in a specific way. List the pairs. _____________________________________________________________________ 6. RNA and DNA differ in the following ways: a. RNA has only free-sugar ends b. DNA is double stranded, while RNA is single stranded c. RNA contains Uracil and not Thymine, while DNA contains Thymine and not Uracil...
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