Microscopes

Front

What are the two parts of a phospholipid?

Back

Hydrophilic Head, Hydrophobic Tail

Front

Who invented the compound microscope and was the first to view cells in cork?

Back

Robert Hooke

Front

What theory were Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schleiden responsible for?

Back

The Cell Theory

Front

What does it mean when a membrane is selectively (or semi) permeable?

Back

Some molecules can cross the membrane while others cannot.

Front

What is the process called when molecules move from an area of higher concentration to an area of lower concentration?

Back

Diffusion

Front

What is the main function of a microscope?

Back

To magnify small objects so they can be seen more clearly.

Front

What is the difference between light microscopes and electron microscopes?

Back

Light microscopes use light to magnify images, while electron microscopes use beams of electrons.

Front

What is the role of the ocular lens in a microscope?

Back

To magnify the image viewed through the eyepiece.

Front

What is the purpose of the stage on a microscope?

Back

To hold the slide in place for viewing.

Front

What is the significance of the cell theory in biology?

Back

It states that all living things are made of cells, and cells are the basic unit of life.