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Cell Biology Basics

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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?

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?

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?

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?

<p>Cell</p> Signup and view all the answers

What was discovered by Robert Brown?

<p>The nucleus</p> Signup and view all the answers

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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Description

Learn about the fundamental unit of life, cells, and their discovery by Anton Von Leeuwenhoek and Robert Brown. Explore the importance of cell structure and function in living organisms.