If protein synthesis was blocked in etiolated cells, what would be necessary for the "greening" of these cells?
A)reception of light by phytochrome
B)activation of protein kinase 1 by cAMP
C)activation of protein kinase 2 by Ca2+
D)post-translational modification of existing proteins
E)100 fold decrease in cytosolic Ca++ levels

Question

Quizplus · Accepted Answer

Post-translational modification of existing proteins would allow the cells to utilize already synthesized proteins to initiate the greening process, even if new protein synthesis is blocked.

If Protein Synthesis Was Blocked in Etiolated Cells, What Would