New York State Chemistry RegentsNew York State Earth Science Regents

Living Environment Regents June 2006 Question 34 PDF Print E-mail


Correct Answer: Option 3 cell B to cell A because cell A is able to recognize signal 1.

Cell B releases signal 1 that is recognizable by cell A.

Option 1 is incorrect, because cell B is able to recognize signal 2, not signal 1.

Option 2 is incorrect, because cell A is able to recognize signal 1, not signal 2.

Option 4 is incorrect, because it is cell A that receives signal 1.


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