Any experiment should start with a hypothesis.
The first step is to decide on the purpose of the experiment. What is it that you are trying to prove or disprove.
State the problem
Assuming you know what your experiment is, your hypothesys, or what you predict will happen.
The first step to the scientific method is forming a hypothesis.
That's the first step.
in designing your experiment which step did you perform first?
Incubating cells with a labeled molecule is the first step in a pulse-chase experiment.
hypothesis
plan the experiment
The first step is to decide on the purpose of the experiment. What is it that you are trying to prove or disprove.
forming a hypothesis
Forming a hypothesis
State the problem
Generate a hypothesis.
forming a hypothesis
Assuming you know what your experiment is, your hypothesys, or what you predict will happen.
The first step to the scientific method is forming a hypothesis.