Two Cells with Different Cell-Surface Markers Are Fused in the Presence

question 39

Multiple Choice

Two cells with different cell-surface markers are fused in the presence of polyethylene glycol (PEG) .The cells are then placed at 0°C.What do you expect to observe about the individual cell markers?

• A)The markers will evenly disperse throughout both membranes.
• B)Only one marker will disperse, while the other remains stationary.
• C)Both sets of markers will not mix but will migrate to opposite poles from one another.
• D)The markers will essentially remain where they are, with little migration.
• E)The markers will be endocytosed by the fused cell and then redistributed as fused markers.

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