★ Biochemistry/Cells Quiz
Macromolecules are often POLYMERS. What are polymers?
A. Really large molecules made from smaller molecules
B. Small building blocks
C. Inorganic materials
D. Large molecules made from oxygen
Select your answer:

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Injuries in Archery › ViewOvertraining is always a good habit to overcome your weakness.
A. TRUE
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What is the structure of purines in DNA nucleotides?
A. A single-ring structure with a six-carbon ring
B. A double-ring structure with a six-carbon ring fused to a five-carbon ring
C. A double-ring structure with two six-carbon rings
D. A single-ring structure with a five-carbon ring