The Cell Theory and Cells

When a cell is ready to reproduce, it duplicates its contents, then divides into two similar (and sometimes exact duplicate) cells.

• True

• False

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Regardless of type, all cells

• have a cell membrane

• have cytoplasm

• can duplicate themselves by undergoing cell division

• all of the above

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What is NOT a part of cell theory:

• all cells come from existing cells

• all cells have a nucleus

• all living things are made of cells

• cells are basic unit of structure and function in living things

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An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?

• another pre-existing amoeba cell.

• energy from sun that allowed the protist to reproduce.

• a multicellular organism.

• the nonliving environment.

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Which of the following is NOT a cell theory.

• All non-living things are made of cells

• All cells come from pre-existing cells

• Cells are the basic unit of structure and function of all living things

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What is the basic structural and functional unit of all living things? 

• atom

• cell

• molecule

• human

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

• All living things have hair.

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

• The cells of all living things have chloroplast.

• All living things can move. 

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Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.

• All cells are produced from other cells.

• Only animal cells are composed of cells.

• All living things are composed of cells.

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All cells are produced ____________.

• From pre-existing and deceased cells

• from other pre-existing cells

• Cells can come from anywhere, as long as there is the sun.

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An organism made of one cell is called

• unicellular organism

• multicellular organism

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