Questions and Answers
Why are small cells advantageous?
They have a better surface-area-to-volume ratio, allowing for efficient exchange of wastes and nutrients.
What is the size range of cells?
Mostly less than 1 mm; some are even as small as 1 μm.
What is the Cell Theory?
Organisms are composed of cells, which are the basic units of structure and function, and come only from pre-existing cells.
What are the fundamental types of cells discussed in the text?
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What is the surface-area-to-volume ratio of a 1-cm cube compared to a 4-cm cube?
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What are the basic units of structure and function in organisms according to the Cell Theory?
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Where do cells come from according to the Cell Theory?
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What is the size range of most cells?
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Why are small cells likely to have an adequate surface area for exchanging wastes for nutrients?
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What is the surface-area-to-volume ratio of a 1-cm cube compared to a 4-cm cube?
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