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In the history of cell biology, what was Zacharias Janssen's key contribution that helped enable later discoveries leading to cell theory?
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1. Overview of Cell Biology
History of Cell Biology
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Which statement is part of the classical cell theory?
A
All cells arise spontaneously from nonliving matter.
B
All living organisms are composed of one or more cells.
C
Genetic information is stored exclusively in mitochondria.
D
The nucleus is the control center of the cell and is present in all cells.
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Recall the three main tenets of the classical cell theory, which are foundational principles in cell biology.
The first tenet states that all living organisms are composed of one or more cells, emphasizing that cells are the basic unit of life.
The second tenet states that the cell is the basic unit of structure and organization in organisms.
The third tenet states that all cells arise from pre-existing cells, rejecting the idea of spontaneous generation.
Compare each given statement to these tenets to identify which one aligns with the classical cell theory.
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