If Two Organisms Have Similar RRNA Sequences, You Can Conclude

question 27

Multiple Choice

If two organisms have similar rRNA sequences, you can conclude that they

• A) mated with each other.
• B) will have different G- C ratios.
• C) will both ferment lactose.
• D) evolved from a common ancestor.
• E) live in the same place.

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Placebos

Inactive substances or treatments used in controlled experiments to test the effectiveness of another substance or treatment.

Experimenter Bias

A process where the scientists conducting an experiment inadvertently influence the results, affecting the validity of the data collected.

Dependent Variables

In scientific research, the variable being tested and measured, expected to change in response to variations in the independent variable.