Cell Review

Which part of cell theory does this model represent?

• All living things are made of 1 or more cells

• All cells come from pre-existing cells

• Cell are the basic building blocks of life

• Cells must copy their DNA before they reproduce

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Which description best fits into Section 1?

• All cells can develop into other types of cells.

• 1. New cells form from cells that have died. 

• The larger the living organism, the larger the cells.

• 1. The cell is the basic unit of structure and function.

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The number of cells in two separate petri dishes was recorded over a period of 20 days. The data shown in the table best explains which part of the cell theory?

• 1. Cells are the basic units of structure. 

• 1. Cells are the basic units of function. 

• 1. All cells come from preexisting cells. 

• Organisms can be single-celled or contain many cells.

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What scientific tool enabled scientists to develop Cell Theory?

• Magnifying Lens

• Prism

• Microscope

• Eyeglasses

Identify which aspect of Cell Theory is being described.

• Cells are the basic units of structure a

• Humans have 37 trillion cells.

• All cells come from preexisting cells.

• Your hair grows half and inch per month.

• All organisms are composed of cells.

• Some cells are specialized to carry out certain jobs.

Bacteria are organisms that consist of a single cell. This means that bacteria are–

• Multicellular

• Unicellular

• Eukaryotic

• Autotrophic

• Heterotrophic

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3. Students investigated two different organisms by viewing them under a microscope. To compare the characteristics of an organism based on the number of cells it has, which terms should be used? 

• 1. Multicellular and eukaryotic 

• 1. Unicellular and multicellular 

• 1. Prokaryotic and unicellular 

• 1. Autotrophic and multicellular

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Look at the image of a bacterium. Which term best describes the characteristics of this organism?

• 1. Prokaryotic

• Multicellular

• 1. Eukaryotic 

• Autotrophic

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Match the following

• Eukaryote

• • Use energy from the Sun to obtain nutrients 

• Autotroph

• • Cells lack a nucleus 

• Prokaryote

• •  Cells have a nucleus

• Multicellular

• • Organisms with more than one cell 

• Heterotroph

• • Do not conduct photosynthesis 

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Which statements are correct?

• Both are prokaryotic

• Both are eukaryotic

• One is heterotrophic and the other is autotrophic

• Both are unicellular

• Both are autotrophic

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