Cell Theory & Microscopes

Front

What is Cell Theory?

Back

Cell Theory states that: 1) All living things are made up of cells. 2) Cells are the basic unit of structure and function in living things. 3) All cells arise from pre-existing cells.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What tool is used to view cells?

Back

The microscope is used to view cells.

Front

What is the function of the eyepiece in a microscope?

Back

The eyepiece magnifies the primary image produced by the objective lens and is what you look through.

Front

What is the magnification of a microscope at Medium Power Objective if it is 200x?

Back

The magnification at Medium Power Objective is 200x.

Front

What are the three main components of Cell Theory?

Back

1) All living things are made of cells. 2) Cells are the basic unit of life. 3) All cells come from pre-existing cells.

Front

What does it mean that cells are the basic building blocks of life?

Back

It means that all living organisms are composed of cells, which perform essential functions necessary for life.

Front

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

Back

The objective lens gathers light from the specimen and magnifies the image.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the purpose of the stage on a microscope?

Back

The stage holds the slide in place for viewing.