Cell Theory

Front

What is one way in which all living things on Earth are alike?

Back

All living things are made of cells and come from other cells.

Front

How does the cell theory support the fact that new cells are created by cell division when cells are damaged?

Back

It states that cells come from previously existing cells.

Front

Who was the "scientist" who observed pond water and teeth scrapings in his microscope? Options: Hooke, Leeuwenhoek, Schleidian, Virchow

Back

Leeuwenhoek

Front

What did Hooke first examine? Options: Pond water, Plant cells, Cork, Animal fat

Back

Cork

Front

Who noted that animals are made of cells and concluded that all living things are made of cells and cell products? Options: Rudolf Virchow, Anton van Leeuwenhoek, Theodor Schwann, Robert Hooke

Back

Theodor Schwann

Front

Which statement describes a component of the original cell theory that was removed because of new scientific knowledge? Options: All living things are made of cells, All cells come from other preexisting cells, Cells form through spontaneous generation, Cells are the basic structural and functional units of life.

Back

Cells form through spontaneous generation.

Front

Which of the following is not part of the cell theory? Options: All cells contain a nucleus. , All cells come from other living cells., All living organisms are made of one or more cells,  Cells are the basic unit of structure and function of all living things.

Back

All cells contain a nucleus. 

Front

According to the Cell Theory, what can you conclude about a plant and an animal, both being living things?

Back

They are both made of one or more cells. 

Front

Rudolph Virchow's observations helped to disprove what commonly held belief of the time? Options: evolution, the existence of molecules, spontaneous generation, atomic models

Back

spontaneous generation

Front

Which invention from the 17th century allowed for the development of modern cell theory? Options: x-rays, computers, the light microscope, the scanning electron microscope

Back

the light microscope