Chapter 16 Scaffold - DNA Structure/Function and

Chapter 16 Scaffold
The Molecular Basis of Inheritance
Section 16.1
Explain how DNA is structured to match each of its functions (replication and
How did biologists discover that DNA was the hereditary molecule? Explain what each
scientist did (big picture) and why it was important in discovering the structure and
function of DNA.
Section 16.2
Why would eukaryotic DNA have more origins of replication than prokaryotic DNA?
Draw a picture showing why can DNA Polymerase only synthesizes a new strand in one
Why does one synthesizing strand only require 1 RNA primer, while the other
synthesizing strand requires multiple RNA primers?
Draw a picture of a replication fork in the nucleus of a eukaryotic cell and label:
 Enzymes involved (and describe their function below the picture)
 Directions of replication
 Leading strand, lagging strand
 RNA primers and Okazaki fragments
 5’ and 3’ ends of each strand (both the parent and new strands)
What is the difference between proofreading and repair enzymes?
Why can’t the 5’ end of a newly synthesized strand be fully completed? How does this
relate to aging and cancer?
Why does DNA have to be packaged?
What is the significance of histone proteins in the packaging of DNA in the nucleus of a
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