The weakness of hydrogen bonds between the bases of dna allows what

The  weakness of hydrogen bonds between the bases of DNA allows for the easy separation of the two DNA strands during replication of DNA.

In replication, an initiator protein unwinds a short length of the DNA double helix. Next, an enzyme known as helicase attaches itself to the unwound helix and begins to break the hydrogen bonds between the base pairs  of the two DNA strands thereby pulling them apart to form a Y shape called a replication fork.

The  relative weakness of hydrogen bonds between the base pairs make it  fairly simple for helicase enzyme to beak them apart and thus the process is done very rapidly. 

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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