A group of scientists performed an experiment where they artificially fused mouse cells with monkey cells. The resulting fused cells were labelled with fluorescently tagged antibodies against mouse and monkey surface receptor proteins, X and Y respectively. At the time 0 minute just after fusion events, two receptors were confined to their own half in the heterokaryon. However, such surface receptors (X and Y) intermixed on the cell surface after 60 minutes. Which one of the given statements correctly reflects the outcome of the experiment ?

Choose Your Answer:

AThe proteins in cytoplasm are in a dynamic state.

BThe proteins on the membrane surface are in a dynamic state.

CSurface membrane proteins exchange with the cytosolic proteins.

Dmembrane surface proteins are in a static phase.

Eduncle Best Answer
The fluorescent tags are attached to surface receptors X and Y, on mouse and monkey cells respectively. After fusion both the tags remain on the surface and are not lost with ti...
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