The Cell Theory: The Past Revisited

These are primary building blocks of life.

• Cells

• Protozoan

• Amoeba

• None of the choices

He examined thin slices of cork from the bark of an oak tree and observed empty honeycomb-like boxes he called cells.

• Robert Hooke

• Antoine van Leeuwenhoek

• Robert Brown

• Theodor Schwan

Known to have made over 500 microscopes during his lifetime. He was able to observed what he called animalcules.

• Robert Hooke

• Antonie van Leeuwenhoek

• Robert Brown

• Theodor Schwann

There are three cell theory, what are those?

• All organisms are composed of one or more cells

• The cell is the basic unit of structure and function of all organisms

• All cells arise only from preexisting cells.

• Each cell must be enclosed to keep its organelles intact and to keep the cell separated from its external environment.

German pathologist who proposed that cells can only arise from the division of cells.

• Rudolf Virchow

• Antonie van Leeuwenhoek

• Matthias Jakob Schleiden

• Robert Brown

What part of the microscope is no. 1 referring to?

• Eyepiece

• Eyepiece Tube

• Objective Lenses

• Binocular Lens

What part of the microscope is no. 2 referring to?

• Eyepiece

• Eyepiece Tube

• Objective Lenses

• Binocular Lens

What part of the microscope is no. 3 referring to?

• revolving eyepiece

• revolving nosepiece

• revolving lenses

• revolving eyepiece lenses

What part of the microscope is no. 4 referring to?

• objective eypiece

• objective nosepiece

• objective lenses

• objective magnification

What part of the microscope is no. 6 referring to?

This is used to collect and focus the light from the illuminator on to the specimen. It is located under the stage often in conjunction with an iris diaphragm.

• diaphragm

• stage clips

• objective magnification

• condenser