Cell Theory

First postulate

100

What is the basic unit of life?

The cell

200

This invention allowed scientists to first discover cells.

The microscope

300

Who looked at a cork under a microscope and named what he saw “cells”?

Robert Hooke

Second Postulate

100

All living things are composed of...

Cells

200

What was Matthias Schleiden, the botanist, looking at when he saw that all the species had cells?

Plants

300

What was Theodor Schwann looking at when he saw that they were also made of cells.

Different types of animals

Third postulate

100

All cells come from...

Pre-existing cells

200

True or False? Cells can just spontaneously appear.

False

300

What is the name of the experiment by Louis Pasteur that helped prove the third postulate?

Swan neck flask experiment

Types of cells

100

This type of cell has no nucleus.

Prokaryotic

200

This type of cell has a nucleus and organelles.

Eukaryotic

300

What is DNA?

Instructions that help make living things