Multiple Choice
Who speculated that cells are living entities and that plants are aggregates of cells?
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1. Overview of Cell Biology
History of Cell Biology
Multiple Choice
Which of the following statements is NOT part of the classical cell theory?
A
All cells arise from pre-existing cells.
B
All living organisms are composed of one or more cells.
C
The cell is the basic unit of structure and function in living organisms.
D
All cells contain a membrane-bound nucleus.
Verified step by step guidance1
Step 1: Recall the three main tenets of the classical cell theory, which are foundational principles in cell biology.
Step 2: Identify the first tenet: 'All living organisms are composed of one or more cells.' This emphasizes that cells are the building blocks of life.
Step 3: Identify the second tenet: 'The cell is the basic unit of structure and function in living organisms.' This means that cells are the smallest units that carry out life processes.
Step 4: Identify the third tenet: 'All cells arise from pre-existing cells.' This highlights that cells do not spontaneously appear but come from division of existing cells.
Step 5: Compare the given statements to these tenets and recognize that 'All cells contain a membrane-bound nucleus' is NOT part of the classical cell theory, as this statement only applies to eukaryotic cells, not all cells.
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