During dna replication what two processes must occur before the two strands separate

The two processes that occur before the two strands of a DNA molecule can separate during separate during the DNA replication is that their hydrogen bonds should be broken in between of the molecule and bases and that the molecule and the bases of it must be also unwind.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

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