What are the statements in the Cell Theory?

Question

What are the statements in the Cell Theory?

Answer 1

Classical Cell Theory

All organisms are made up of one or more cells ..

Cells are the fundamental and structural unit of life.

All cells come from pre-existing cells.

Modern Cell Theory

The generally accepted parts of modern cell theory include:

The cell is the fundamental unit of structure and function in living things.

All cells come from pre-existing cells by division.

Energy flow (metabolism and biochemistry) occurs within cells.

Cells contain hereditary information (DNA) which is passed from cell to cell during cell division

All cells are basically the same in chemical composition.

All known living things are made up of cells.

Some organisms are unicellular, made up of only one cell.

Others are multicellular, composed of countless number of cells.

The activity of an organism depends on the total activity of independent cells

Exceptions to the Theory

Viruses are considered by some to be alive, yet they are not made up of cells.

The first cell did not originate from a pre-existing cell.

Answer 2

   1. The cell is the fundamental unit of structure and function in living things.

   2. All cells come from pre-existing cells by division.

   3. Energy flow (metabolism and biochemistry) occurs within cells.

   4. Cells contain hereditary information (DNA) which is passed from cell to cell during cell division

   5. All cells are basically the same in chemical composition.

   6. All known living things are made up of cells.

   7. Some organisms are unicellular, made up of only one cell.

   8. Others are multicellular, composed of countless number of cells.

   9. The activity of an organism depends on the total activity of independent cells

Answer 3

1. All living organisms are composed of one or more cells.

2. The cell is the basic unit of the organization of living things.

3. All cells come from pre-existing cells.