Multiple Choice
In the history of cell biology, what key contribution did Rudolf Virchow make to the cell theory?
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1. Overview of Cell Biology
History of Cell Biology
Multiple Choice
In the context of the classical cell theory (as developed by Schleiden, Schwann, and Virchow), which of the following statements is NOT part of cell theory?
A
All living organisms are composed of one or more cells.
B
New cells arise spontaneously from nonliving matter under ordinary conditions.
C
The cell is the basic unit of structure and function in living organisms.
D
All cells arise from pre-existing cells.
Verified step by step guidance1
Recall the three main tenets of the classical cell theory as developed by Schleiden, Schwann, and Virchow:
1. All living organisms are composed of one or more cells.
2. The cell is the basic unit of structure and function in living organisms.
3. All cells arise from pre-existing cells.
Identify which statement contradicts these principles. The statement that 'New cells arise spontaneously from nonliving matter under ordinary conditions' contradicts the third tenet, as cell theory states that cells do not arise spontaneously but only from existing cells.
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