Practice question
Question
Given are certain facts which define 'determination' of a developing embryo. A. Cells have made a commitment to a differentiation program. B. A phase where specific biochemical actions occur in embryonic cells. C. The cell cannot respond to differentiation signals. D. A phase where inductive signals trigger cell differentiation. Which of the above statements best define determination?
Explanation
given are certain facts which define 'determination' operates via Only A represents established outcome. functional assays validates option C. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.
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