Answer:
Each and every cell is encircled by a membrane. this is not a mean feature of a cell theory.
Explanation:
All living organisms are composed of cells.They may unicellular like bacteria,fungi and protista and multicellular like plants,animals etc.
A cell is basic unit of life as gene is a basic unit of heredity.According to cell theory cells are arise from a pre-existing cells. The two kinds of cells are Eukaryotic cell with a definite nucleu