Why does a cell need to copy its DNA before it divides? A) so both new cell have enough DNA
B) so the sister chromatids don’t have to get separated
C) so it has a different set of instructions

A

Explanation:

It can't be B because during mitosis, sister chromatids inevitably are separated. It can't be C because they are copied so they have the same instructions and know what to do. A is the best choice.

the correct answer is a and the proper name for this process is called DNA replication thx so much

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:

no u