EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is part of the Modern Cell Theory?
A
All cells are alive.
B
All cells come from pre-existing cells.
C
Life comes from life.
D
None of the above
Explanation: 

Detailed explanation-1: -The third part, which asserts that cells come from preexisting cells that have multiplied, was described by Rudolf Virchow in 1858, when he stated omnis cellula e cellula (all cells come from cells).

Detailed explanation-2: -The generally accepted parts of modern cell theory include: All known living things are made up of one or more cells. All living cells arise from pre-existing cells by division. The cell is the fundamental unit of structure and function in all living organisms.

Detailed explanation-3: -Modern cell theory has three basic tenets: All organisms are made of cells. All cells only come from other cells (the principle of biogenesis). Cells are the fundamental units of structure and function in organisms.

Detailed explanation-4: -All cells come from pre-existing cells by cell division. Schwann also proposed “Free Cell Formation” or spontaneous generation of cells-this was before Pasteur’s definitive experiments. Modern Cell Theory Also States: Life’s chemical processes, such as metabolism, occur inside of cells.

Detailed explanation-5: -All living things are made up of cells. Cells are the smallest units (or most basic building blocks) of life, and all cells come from preexisting cells through the process of cell division. Life cannot be created in a laboratory.

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