DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Nothing would happen
Chromosomes would become progressively shorter
Chromosomes would get longer
None of these

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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
DNA has one main function in cells whereas proteins have many.
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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