7. Percentage of proteins in cell membrane is
Correct answer C. 60-80%
Tip: press A, B, C or D to answer, and N for the next question.
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See all6. In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:
Correct answer D. Both a and b
5. Magnifying power of electron microscope as compared to eye is
Correct answer B. 250000X
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4. Resolution power of a compound microscope is
Correct answer A. 2.0 ?m
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
Correct answer B. Rudolph Virchows
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