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AbeNeedsAnswers
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Scientists say that, by bathing the skin cells in extracts of immune cells, that human skin cells in a test tube are made to behave as if they were immune system cells.
A. that human skin cells in a test tube are made to behave as if they were
B. that human skin cells were to behave in a test tube as if they were
C. human skin cells in a test tube were made to behave as if
D. they have made human skin cells in a test tube that were behaving as
E. they have made human skin cells in a test tube behave as if they were
E
A. that human skin cells in a test tube are made to behave as if they were
B. that human skin cells were to behave in a test tube as if they were
C. human skin cells in a test tube were made to behave as if
D. they have made human skin cells in a test tube that were behaving as
E. they have made human skin cells in a test tube behave as if they were
E
