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DNA quiz

Every question below is derived from a reviewed claim about dna, with a real explanation shown once you submit.

ExplorerQuestion 1 of 4

DNA is shaped like a double helix — two strands twisted around each other.

InvestigatorQuestion 2 of 4

In DNA base pairing, which base pairs with adenine (A)?

InvestigatorQuestion 3 of 4

Watson and Crick's 1953 double-helix model was built with no input from any other scientists' data.

ScientistQuestion 4 of 4

Describe what 'semiconservative' replication means for a newly made DNA molecule.