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A student made a pictorial representatio...

A student made a pictorial representation of a eukaryotic cell membrane and labelled the components as follows.

The student has made errors whikle labelling the components membrane. Which of the following hold true regarding the error ?
(i) Protein A should be labelled as trans-membrane protein only and not as integral protein.
(ii) The polarity of the protein A should be reversed because the cytosolic phjase always shows reducing environment.
(iii) Position of cholesterol molecule shouold be close to polar region as it contains a polar group.
(iv) Protein B should be labelled as integral membrane protein and not as peripheral gltcoprotein.

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