Which is a component of the modern cell theory that was not part of the original cell theory? all organisms are made of cells. all cells are similar in composition and metabolic activities. all cells come from preexisting cells. a cell is the basic unit of structure and function for all living things.

Answer;

-All cells are similar in composition and metabolic activities.

Explanation;

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

-The original cell theory had three main characteristics of all cells, these are; all forms of life are made from at least one or more cells, cells only come from already pre-existing cells and also the cell is known as the smallest living thing to exist.

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it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .