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Vocab Mod 5
For Apologia Biology
26
Biology
10th Grade
07/04/2012

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Term
Atoms
Definition
The basic building blocks of matter
Term
Matter
Definition
Anything that has mass and and takes up space.
Term
Model
Definition
an explanation or representation of something that cannot be seen.
Term
Element
Definition
Collection of atoms that all have the same number of protons.
Term
Molecules
Definition
Chemicals that result from atoms linking together.
Term
physical Change
Definition
A change that affects the appearance but not the chemical makeup of a substance
Term
chemical Change
Definition
an explanation or representation of something that cannot be seen.
Term
Phase
Definition
One of three forms - SOLID, LIQUID, or GAS- Which every substance is capable of attaining.
Term
Abbr. of Carbon
Definition
C
Term
Abbr. of Hydrogen
Definition
H
Term
Abbr. of Oxygen.
Definition
O
Term
Abbr. of Nitrogen
Definition
N
Term
Abbr. of Phosphorus
Definition
P
Term
Abbr. Of Sulfur
Definition
S
Term
Semipermeable Membrane
Definition
A membrane that allows some molecules to pass through.
Term
Osmosis
Definition
The tendancy of a solvent to travel across a semipermeable membrane into areas of higher solute concentration
Term
Catalyst
Definition
A substance that alters the speend of a chemical reaction but is not used up in the process
Term
Organic molecule
Definition
A molecule that contains only carbon and any of the following: H, O, N, S, P,
Term
Biosynthesis
Definition
The process by which living organisms produce larger molecules from smaller ones.
Term
Isomers
Definition
Two different molecules that have the same chemical formula.
Term
Monosaccharides
Definition
Simple carbohydrates that contain 3-10 carbon atoms
Term
Concentration
Definition
A measurement of how much solute exists within a certain volume of solvent.
Term
Hydrophobic
Definition
Lacking an affinity to water
Term
Saturated fat
Definition
a lipid made from fatty acids that have no double bonds between carbon atoms.
Term
unsaturated fat
Definition
A lipid made from fatty acids that have at least one double bond between carbon atoms
Term
peptide bond
Definition
A bond that links amino acids together in a protein
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