Cell Theory and the Compound Microscope

The cell theory is a scientific theory that states that all living organisms are composed of cells, cells are the basic units of structure and function in living organisms, and all cells come from pre-existing cells.

Early glass lenses were not powerful enough to reveal individual cells because they did not provide enough magnification.

The total magnification of a compound microscope is the product of the magnifying power of each individual lens.

<p>Zacharias Janssen, a Dutch eyeglass maker, is usually credited with the invention of the compound microscope.</p> Signup and view all the answers

<p>Robert Hooke observed that cork is made of tiny, hollow compartments.</p> Signup and view all the answers

<p>The magnifying power of a compound microscope is generally much more powerful than that of a single lens.</p> Signup and view all the answers

<p>Robert Hooke named these compartments 'cells' because they reminded him of small rooms found in a monastery.</p> Signup and view all the answers

<p>The plant cells that Robert Hooke observed were dead.</p> Signup and view all the answers