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Enzymes perform Essay Topics & Paper Examples

Control group in scientific experiments

A control group in an experiment is a variable wherein it is not subjected on the items being tested that is hypothesized to cause effect on the subject. The idea of the control group is to represent the appearance and attributes of the subject in the absence of the other variables (McEwan, 2003). The control group also eliminates all other factors that may affect the one being tested. Also, the nature of experiments is to prove a cause and effect phenomenon. The absence of a control group will not prove that the outcome is caused by the tested variable. 2. Briefly discuss the differences between prokaryotic and eukaryotic cells. The main distinction between the two types of cell is the…