As a control for the sasquatch experiment, a fake deer is placed in the forest. The role of this control in experiment is to provide a basis of comparison to theexperimental group.
Scientists often analyze hypotheses developed by them by means of controlled experiments. A controlled experiment is a scientific test performed under controlled conditions, denoting that only one or a few variables are altered at a time whereas, all the remaining variables are kept constant.
Controls are utilized in an experiment to reduce the effects of variables besides the one being tested. An experimental group is also sometimes referred to as a treatment group, which receives a treatment in an experiment.
DNA fragments are negatively charged so the more for the positive electrode because all DNA fragments of the same amount of charge per mass does smart pigments move through the gel faster than large one
