DNA Structure and Replication
The role of primase is to

synthesize an RNA primer to begin the elongation process
dismantle RNA primer
proofread base pairing
cleave and unwinds short sections of DNA ahead of the replication fork

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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?

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

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