In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
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Question:  In cotransfection assays , a small fragment of Sin retaining the Src - SH3 - binding site and one tyrosine - containing motif induced c - Src activation as measured by a transcriptional reporter .

Answer: c - Src


Question:  Consistent with this , rh5 expression in R8 disappears when R7 cells are absent ( in sevenless mutant ) .

Answer: sevenless mutant


Question:  Following replicate control measurements , test ramps were repeated in the presence of sodium nitroprusside ( 1 microM ) and phentolamine ( 1 microM ) to eliminate potential smooth muscle and alpha 1 - adrenoceptor effects , respectively .

Answer:
alpha 1