Cell Theory Question Preview (ID: 34699)
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To prepare for her science test, Claudia had written down some notes about cells on index cards. Each card contained a separate piece of information about cells. At one point, Claudia was searching for the notes that described the cell theory. She pi
a) All cells come from existing cells.
b) The cell is the basic unit of all living things.
c) All cells contain hereditary information.
d) All organisms are made of one or more cells.
Part of the cell theory involves the process of the production of more cells. Which statement that is part of the cell theory deals with how more cells arise?
a) Cells can grow.
b) Cells contain organelles.
c) Cells make up all living things.
d) Cells come from existing cells.
Part of the cell theory states that the cell is the basic unit of all living things. Julio wanted to use an analogy to explain this statement to his friend. What analogy should Julio use?
a) Books tell different stories.
b) Newspapers are printed every day.
c) Words can either be written or spoken.
d) The same letters are used to make all the words.
The cell theory applies to all types of cells, including the one shown in the diagram below. According to the cell theory, what is the basic unit of all living things?
a) the cell wall
b) the cell itself
c) the cell membrane
d) the cell cytoplasm
Jason falls and cuts himself while riding his bike. Days later his cut begins to heal and new skin starts to form. Which part of the cell theory is shown in the example?
a) Cells contain genetic material.
b) Cells come from existing cells.
c) Cells are surrounded by a cell membrane.
d) Cells are the basic units of all living things.
Space probes have searched for life in other parts of our universe. Assume that a space probe detects a strange-looking structure existing deep in space. According to the cell theory, what must be true of this structure to be considered a living thin
a) The structure must use oxygen.
b) The structure must change shape.
c) The structure must be able to move
d) The structure must be made of one or more cells.
Scientists studying cells observed that cells divide. Which part of the cell theory was added when scientists saw that all cells divide?
a) All cells come from existing cells.
b) Cells are the basic unit of all living things.
c) All living things are made of one or more cells.
d) All organisms can form multi-cellular structures.
Many different devices are used in science. Which device is most important for scientists who investigate the cell theory?
a) a computer
b) a telescope
c) a miscroscope
d) a pair of eyeglasses
The phrase below is part of cell theory. Which phrase correctly completes the sentence? “The cell is ............. all living things.”
a) tiny in
b) not vital to
c) the same in
d) the building block of
Identify the example that best describes the part of the cell theory that states that the cell is the basic unit of life.
a) people
b) people thought that maggots came from hay
c) foundation of a leaf
d) scars forming over a cut
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