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Questions and Answers
Who first used the word 'cell' to refer to the basic units of life?
Who first used the word 'cell' to refer to the basic units of life?
- Rudolf Virchow
- Theodor Schwann
- Robert Hooke (correct)
- Matthias Schleiden
What is the main statement of cell theory?
What is the main statement of cell theory?
- All life functions of organisms occur within cells.
- All cells come from existing cells.
- All organisms are made of one or more cells. (correct)
- Cells are the smallest units that can carry out the processes of life.
What is a common feature shared by all cells?
What is a common feature shared by all cells?
- Mitochondria
- Plasma membrane (correct)
- Endoplasmic reticulum
- Golgi apparatus
Who proposed that all organisms are made of one or more cells?
Who proposed that all organisms are made of one or more cells?
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What is necessary to understand life itself, according to the text?
What is necessary to understand life itself, according to the text?
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Study Notes
Cells and Cell Theory
- Robert Hooke first used the word 'cell' to refer to the basic units of life in 1665.
Cell Theory Statement
- The main statement of cell theory is that all living organisms are composed of one or more cells.
Common Feature of Cells
- A common feature shared by all cells is that they are the basic structural and functional units of life.
Proposal of Cellular Composition
- Matthias Jakob Schleiden and Theodor Schwann proposed that all organisms are made of one or more cells in 1839.
Understanding Life
- It is necessary to understand cells to understand life itself.
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