A Biologist Hypothesizes That a Particular Membrane Protein Is Distributed

question 74

Multiple Choice

A biologist hypothesizes that a particular membrane protein is distributed throughout the cell and anchored to the cytoskeleton.Which experimental technique could provide evidence to test the biologist's hypothesis, and why?

• A) Freeze-fracturing techniques, because they can be used to identify cell locations of membrane proteins
• B) Freeze-fracturing techniques, because they can distinguish between integral and peripheral proteins
• C) Cell fusion techniques, because they can be used to analyze the diffusion rate of a membrane protein
• D) Cell fusion techniques, because they can be used to determine the fluidity of a membrane
• E) Cell fusion techniques, because they can distinguish between membrane proteins of different sizes by their diffusion rates

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