what do you mean by cell?
Answers
Answer:
the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane is called a cell
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A cell is defined as a " structural and functional unit of life " .
》 Anything less than a cell is not considered living.
Unicellular cells are capable of :
- Independent existence
- Performing the essential functions of life
Study of structure of cell is called " cytology " .
cells differ greatly in size, shape and activities.
▒ Mycoplasmas are the smallest cells measuring 0.3 ᄊ in length.
▒ The largest isolated single cell is an egg of ostrich .
Cells also vary in shapes like
Discoid , polygonal , columnar , cuboidal , thread like or irregular .
● The shape of the cell varies with its functional activity.
According to cell theory given by schleiden and schwan
▒ Cell is the structural unit of living organisms .
▒ Cell is the functional unit of all living organisms .
▒ Cell is hereditary unit of all living organisms .
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~ hope it helps !