Question

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A group of scientists believe that a pigment found in red vegetables helps cells to live longer. They test their theory by injecting this pigment into live cells growing in a test tube. After two days, the scientists count the number of healthy cells in the test tube and compare the results to a tube of cells that did not receive an injection of this pigment. What is a limitation of this experiment? A. The study does not have a hypothesis. B. The study does not have a control group. C. The study does not show cells in their natural environment. D. The study does not have a measurable way to show change.

Answer 1

The study does not have a measurable way to show change.

Step-by-step explanation:

Answer 2

All the information is answered/given in the paragraph except that the study doesn’t show cells in their natural habitat!