unicellular organism that lacks a nucleus and membrane-bound organelles
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eukaryote
organism whose cells contain a nucleus and membrane-bound organelles
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control
In an experiment, the standard that is used for comparison
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control trial
measures the performance of one set of task components in the absence of another set of task components to isolate the effects of the included components on performance.
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slope
rise/ run (y2-y1/x2-x1)
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suspension
a heterogeneous mixture that separates into layers over time
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solution
a homogeneous mixture of two or more substances
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product
a substance that forms in a chemical reaction
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reactant
a substance that takes part in and undergoes change during a reaction.
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solvent
the substance in which the solute dissolves
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solute
the substance that is dissolved
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exothermic
releases energy, heat
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endothermic
absorbs energy, heat
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catabolic
breaking down (cats destroy)
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anabolic
building up, creating
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atomic number
number of protons
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atomic mass
number of protons and neutrons
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protons
positive charge
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neutrons
neutral charge
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electrons
negative charge
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ions
positively and negatively charged atoms
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ionic bonds
transfer of electrons
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polar covalent bond
unequal sharing of electrons
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nonpolar covalent bond
equal sharing of electrons
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hydrogen bonds
weak attraction between a hydrogen atom and another atom
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monomers
small unit that can join together with other small units to form polymers