Agel electrophoresis is performed, but when the gel imager is used, no bands appear. the researcher might have forgotten to

If a gel electrophoresis is performed, and no bands appear when the gel imager is used, then it is highly possible that the researcher might have forgotten to do one of the following:

- Add electric current.
- Add buffer solution.
- Include DNA dye.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

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