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Questions and Answers
What is the primary reason why anything less than a complete structure of a cell is not enough for independent living?
What is the primary reason why anything less than a complete structure of a cell is not enough for independent living?
- Because it requires a microscope to observe
- Because it lacks the nucleus
- Because it is not capable of independent existence
- Because it cannot perform the essential functions of life (correct)
What invention led to the discovery of all the structural details of the cell?
What invention led to the discovery of all the structural details of the cell?
- The description of the cell by Robert Brown
- The discovery of the nucleus
- The observation of live cells by Anton Von Leeuwenhoek
- The improvement of the microscope leading to the electron microscope (correct)
What is the significance of Anton Von Leeuwenhoek's discovery?
What is the significance of Anton Von Leeuwenhoek's discovery?
- He first saw and described a live cell (correct)
- He discovered the essential functions of life
- He discovered the nucleus of the cell
- He invented the electron microscope
What is the fundamental unit of all living organisms?
What is the fundamental unit of all living organisms?
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What was discovered by Robert Brown?
What was discovered by Robert Brown?
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Study Notes
Characteristics of Unicellular Organisms
- Unicellular organisms are capable of independent existence
- They can perform the essential functions of life
Importance of Cell Structure
- A complete cell structure is necessary for independent living
- Anything less than a complete cell structure cannot ensure independent living
History of Cell Discovery
- Anton Von Leeuwenhoek was the first to see and describe a live cell
- Robert Brown discovered the nucleus
- The invention of the microscope and its improvement to the electron microscope revealed all the structural details of the cell
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