The microscope. It allowed for scientists to observe the tiny parts of cells since they are not visible to the naked eye.
This type of molecule that is produced assuming that this process is transcription, and not DNA replication would be mRNA.
The correct answer is option A, that is, the bottle with zero percent concentration.
The control in the given case would have the liquid in it in the absence of any supplemented dissolved solute. So, as to find whether the solution is making the crystal formation or the liquid can do it by itself.
The control refers to one element, which is not changed at all through the experiment, as its unchanging condition permits the association between the other variables being examined to be better comprehended.
