Asked Sep 18, 2019


Can you explain the difference between a one-celled organism and a single cell of a multicelled organism?

Thanks, and it would be great if you could get back to me soon!

My biology test is tomorrow at 1:19


Expert Answer

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Step 1

Cell is a membrane bound basic structural and functional unit of life. A cell is composed of macromolecules such as nucleic acid, proteins, carbohydrates and lipids. In a cell, there is cytoplasm (gel-like material) which has all the organelles suspended in it. There are different organelles like nucleus, mitochondria and Golgi apparatus, in a cell which are specialized for different functions. Some organisms exist as a single unit and has only one cell while others exist as multicellular organisms and have many cells. These organisms with only one cell are known as one-celled or single celled organisms while organisms in which multiple cells work together in coordination are known as multicellular organism.

Step 2

Difference between one-celled organism and single cell of a multicellular organism is as follows:

One-celled organism

Single cell of a multicellular organism

This cell may have an irregular shape.

Cells of a multicellular organism have definite shape.

The cell performs all the functions of its life process.

Single cell of a multicellular organism is specialized for a specific function. For example: cells of kidney cannot perform functions of lungs.

The cell is exposed to the outer environment from all its surfaces.

The cell may not be exposed to the outer environment. The exposure to the outer environment depends on the location of the cell.

The cell could either be prokaryotic or eukaryotic.

The cell is present in only eukaryotic org...

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