Question

even though protoplasm is surrounded by plasma membrane ,some substances can enter and exist the cell.which property of protoplasm allows it​

Answer 1

Answer:

In plant and animal cells, the protoplasm contains a variety of cellular organelles. Your question is how these biological substances come into it. If this is the question then keep reading to read your answer. In the case of plant cells, there is a connection between the cell wall of another cell adjacent to its cell wall by a plasmodesmata called a simpleplast. In the case of plant cells, organic matter comes by method. Similarly, in the case of animal cells, biological substances come through revolution.

Hope you understand.

Answer 2

Answer:

The cell membrane is a very thin layer of protein and fat. It allows only selective substances to pass through it, hence,it is called a selectively permeable membrane.

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