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Biology Term Review

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Across
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Subunit in a cell with a specialized function
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Jellylike substance holding cell organelles
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Smallest unit of an organism
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Powerhouse of the cell
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Process of developing an observation, hypothesis, and experiement
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The variable the scientist manipulates
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Cell shrivels up; solute concentration greater outside
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What cell membranes are made out of
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Group not exposed to the independent variable; unchanged
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Stores food and water in the cell
Down
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Describes cells with a nucleus and organelles
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Holds the DNA
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Steady internal conditions; equilibrium
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Means made up of many cells
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Molecule that contains the genetic code
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The study of life
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Optical instrument to view small objects
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What active transport requires to move molecules
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Movement from high to low concentration
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A well-tested hypothesis