Work Sheet 14

Nucleotides: Composition and Structure

1. List the types and principal functions of the nucleic acids.



2. Draw the pyrimidine and purine bases.




3. List the principal chemical building blocks the comprise ribonucleosides, ribonucleotides and draw ATP.


4. Describe the secondary structures of DNA and RNA.



5. List the ways that DNA and RNA can be cleaved or degraded.



6. Define the following terms: double-helix, antiparallel, complementarity, groove, Tm, hyperchromic shift, hybridization.


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