What was rudolph virchow’s contribution to the cell theory?

he concluded that all cells come from preexisting cells.

he concluded that cells are the basic units of structure and function of all living things.

he concluded that all organisms are composed of cells.

he concluded that all cells are similar in composition and metabolic activities.

He concluded that all cells come from preexisting cells.

Explanation:

The cell theory is made up of the contributions of three important scientists :

1. Rudolf Virchow

2. Theodor Schwann

3.  Matthias Schleiden

The cell theory comprises of three important aspects ;

1. The cells are the units that makeup all the living organisms.

2. Cells are the basic functional and structural unit of all the living beings.

3. New cells are formed from the division of old cells (pre-existing cells).

Amongst these three aspects of the cell theory, the third one is contributed by Rudolf Virchow.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.