During an experiment, what is the purpose of a control group? Group of answer choices

To disprove the theory

To produce replicated results of other groups

To compare results to the experimental group with the variable being tested

To prove the hypothesis

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.