Question

why do we call cell membrane to be dynamic fluid and semi permeable​

Answer 1

Answer:

Cell membrane is called

1. dynamic fluid because it is involved in the transportation of many molecules in and out of cell
2. Semi permeavle beacuse it allows only some material to come in and out of cell

Answer 2

Bio-membranes are fluid and dynamic and semi-permeable because:

 Constituent molecules show sideways movement within membrane.  

 Bio-membranes are constantly renewed

 Repair minor injuries

 Expand and contract during endocytosis and exocytosis.

 Allow interaction with other body cells.  

 Control flow of material into and out of the cell

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