Cellular Organization and Cell Theory

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the word 'cell' refer to in its original meaning?

Microscopic organism
Empty room (correct)
Living tissue
Functional unit of life

Which statement is NOT one of the main points of cell theory?

All cells come from pre-existing cells.
The cell is the smallest functional unit of life.
Cells are created from non-living materials. (correct)
All living organisms are composed of one or more cells.

Who was the first person to observe microorganisms?

Albert Einstein
Robert Hooke
Louis Pasteur
Anton van Leeuwenhoek (correct)

What is considered the smallest functional unit of life?

<p>Cell (D)</p> Signup and view all the answers

What was developed in the 1600s that allowed for the observation of microorganisms?

<p>The light microscope (B)</p> Signup and view all the answers

Flashcards

What is a cell?

The smallest functional unit of life, all living organisms are composed of one or more. All cells are produced from other existing cells.

Cell Theory

The theory that all living things are made up of cells, cells are the basic unit of structure and function in living things, and cells only arise from pre-existing cells.

Who is credited with discovering microorganisms?

Van Leeuwenhoek, in the 1600s, used a microscope to discover microorganisms. The word "cell" meaning "empty room", was given to them because he thought the cells were empty chambers.