Cell Theory

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

Front

Which statement describes a component of the original cell theory that was removed because of new scientific knowledge?

Back

Cells form through spontaneous generation.

Front

Cells are the basic structural and functional units of life. What is true about plants and animals? Options: Plants have cells but animals do not., They are both made of one or more cells., They both come from the same kind of cell., They both come from a non-living organism.

Back

They are both made of one or more cells.

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

Cell theory states:

Back

The basic unit of life is a cell.

Front

Which of the following is NOT one of the main components of the cell theory? Options: cells must contain DNA, all living things are made of cells, cells can only come from other cells, cells are the basic unit of life

Back

cells must contain DNA

Front

Unlike eukaryotes, prokaryotes do not have: DNA, cytoplasm, cell walls, a membrane bound nucleus

Back

a membrane bound nucleus

Front

The smallest unit that can perform the basic activities of life is: a cell, a tissue, an organ, an organism

Back

a cell