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Alle Oberthemen / Biology / General Terms

Biology 3 (39 Karten)

Sag Danke
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Composition
The combining of distinct parts or elements to form a whole.
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Protein
A polymer of amino acids.
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Ribose
A five-carbon monosaccharide found in ribonucleic acid (RNA).
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Saturated
An organic molecule that has only carbon-carbon single bonds.
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Secondary Element
One of five chemical elements that are found in small amounts in living organisms; these include sodium, magnesium, sulfur, chlorine, and potassium.
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Solid
A substance that has a fixed shape and volume. A state of matter.
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Starch
A polymer of glucose that is used primarily for energy storage in plants.
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Tetrahedral molecule
A molecule in which four atoms are bound to a central atom, resulting in a tetrahedral shape. The atoms bonded to the central atom lie at the corners of a tetrahedron with 109.5 degree angles between them.
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Trace Element
An element required in minute quantities by an organism to maintain proper physical functioning.
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Triglyceride
A lipid formed by a condensation reaction between glycerol and three fatty acid molecules.
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Unsaturated
An organic molecule that has at least on carbon-carbon double bond.
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Acidic
A solution whose pH is less than 7.
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Amino Acid
An organic molecule that functions as the building block for proteins; it contains both an amino group and a carboxylic acid group.
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Base
A solution that produces hydroxide ions (OH-) when dissolved in water.
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Basic
A solution whose pH is greater than 7.
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Carbohydrate
A "hydrate of carbon"; any molecule with the simplest formula CH2O.
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Cellulose
A polymer of glucose that is used primarily for structure in plants.
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Chemical Bond
An attractive force between two or more atoms or ions that holds them together.
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Condensation Reaction
A chemical reaction that joins two molecules and removes a molecule of water.
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Covalent Bond
A chemical bond where the electrons are shared between atoms.
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Cyclic Molecule
A chemical compound whose atoms are arranged in a ring or closed-chain structure.
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Density
The ration of a substance's mass to its volume.
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Deoxyribose
A five-carbon monosaccharide found in deoxyribonucleic acid (DNA).
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Fatty Acid
A lipid that consists of a long hydrocarbon chain with a carboxylic acid group at one end.
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Fibrous Protein
Protein that fold into an elongated shape so that it can serve a wide variety of structural functions in the cell.
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Fructose
An isomer of glucose; it has the same chemical formula (C6H12O6) but its atoms are arranged differently.
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Gas
A substance that has no fixed volume or shape. A state of matter.
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Globular Protein
A protein that folds into a compact shape so that the polar and ionic amino acids are on the outside and the nonpolar amino acids are on the inside.
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Hexose
A monosaccharide that contains six carbon atoms.
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Hydrogen Bond
An attractive force between a hydrogen atom bonded to an oxygen, nitrogen, or fluorine atom on one molecule and an ocygen, nitrogen, or fluorine atom on another molecule.
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Organic
A compound or molecule that is carbon-base.
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Pentose
A monosaccharide that contains five carbon atoms.
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pH Scale
A scale that indicates the acidity of a solution; it is based on the concentration of hydrogen ions.
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Phospholipid
A lipid molecule formed by the condensation reaction between glycerol, two fatty acid molecules, and a phosphate group.
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Polar
A molecule with an uneven distribution of electrons.
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Polymer
A large molecule that is formed when small molecules are joined.
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Polysaccharide
A carbohydrate that contains many sugar units.
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Primary element
One of six chemical elements that make up more than 99% of living matter; these include calcium, hydrogen, oxygen, and phosphorus.
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Protein
A polymer of amino acids.
Kartensatzinfo:
Autor: sufergurl
Oberthema: Biology
Thema: General Terms
Schule / Uni: MOVIP
Veröffentlicht: 10.09.2009
 
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