The correct option is D: the living part of the cell, including the cell membrane.
The protoplast consists of the living part of the cell, including the cell membrane.
protoplasts are round-shaped cells that are produced by a digestive enzyme. a cell without a cell wall is called a protoplast.
It can be produced by removing the cell wall from a plant or fungi cell through mechanical, chemical, and enzymatic means.
They provide a buffered environment and mechanical support to plants along with the transportation of minerals and water.
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