A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.
Because the nucleotides match up like A and T and C and G is is like a zipper there is two parts that go together
The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.
It has to be a, b or d then.
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