1) What type of biological molecule (macromolecule) is DNA? 2

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1) What type of biological molecule (macromolecule) is DNA?

2. This polymer is formed by the connection of many millions of monomer units. What is the monomer unit of DNA?

3. Consider this monomer. What three structural components make up this DNA monomer?

4. Name the four nitrogenous bases that makeup DNA. .

5. Erwin Chargaff is one of many researchers that made important contributions to understanding the structure of DNA. His discovery, announced in 1949, was called “Chargaff’s Rule”. What is Chargaff’s rule?

6. How are Hydrogen bonds involved in the structure of DNA? Explain.

7. What information did Rosalind Franklin’s X-ray crystallography images provide about the structure of DNA?

8. If a species has 35% adenine in its DNA, what is the percentage of the other three nitrogenous bases? Hint: look at page 345 (analyzing data) for an example of this type of question.

9. Define the following terms:

Base Pair:

Antiparallel:

Chromosome (might need to look up in the Glossary):