You have synchronized a culture of HeLa cells so that the cells are all at the same stage in the cell cycle. You then treat the cells with serum containing nutrients and growth factors in the presence or absence of the drug rapamycin. The distribution of cell sizes in the two cell populations is shown below. Based on these results, do you think rapamycin is an activator or inhibitor of the TOR complex? Is the S6 kinase expected to be up-regulated or down-regulated in the presence of rapamycin? 
Definitions:
Collaborated
Worked together on a common project or goal, often used in the context of creative processes like film production or research.
William Randolph Hearst
An influential American newspaper publisher and media tycoon of the late 19th and early 20th centuries, known for sensationalist journalism.
Charles Foster Kane
Charles Foster Kane is a fictional character and the subject of Orson Welles' 1941 film "Citizen Kane," often seen as a complex study of power and isolation.
Decision-making Process
The cognitive process leading to the selection of a course of action among several alternatives.
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