Which of the following statements about the cell membrane are correct?
I: It is a selectively permeable phospholipid bilayer.
II: It contains integral proteins for specific transport functions.
III: It is composed mainly of cellulose in plant cells.
1. I and II only
2. II and III only
3. I and III only
4. I, II and III
Subtopic:  Cell Wall |
 67%
From NCERT
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