DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

RNA primers are not required in eukaryotes
more DNA polymerases are found in eukaryotes
multiple origins of replication in eukaryotes
eukaryotic DNA polymerases are faster

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DNA Structure and Replication
The higher order structure of DNA shows symmetry, whereas the higher order structures of most proteins do not. Why isn't protein shape more regular like DNA?

DNA has one main function in cells whereas proteins have many.
All of these
Some S amino acids cause proteins to bend; others cause protein to flatten.
The many different amino acid R groups on proteins confer many different shapes.

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