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Chapter 4 Vocab
Biology II
21
Biology
11th Grade
09/15/2008

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Term
Organic Chemistry
Definition
The study of carbon compounds
Term
Hydrocarbons
Definition
an organic molecule consisting only of carbon and hydrogen
Term
Isomers
Definition
One of several organic compounds with the same molecular formula but different structures and therefore different properties. The three types of isomers are structural isomers, gometric isomers, and enantiomers
Term
Structural Isomers
Definition
One of several organic compounds that have the same molecular formula bud differ in the covalent arrangement of their atoms
Term
Geometric Isomers
Definition
One of several organic compounds that have the same molecular formula but differ in the spatial arrangements of their atoms
Term
Enantiomers
Definition
one of two molecules that are mirror images of each other
Term
Functional Groups
Definition
A specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and usually involved in chem. reactions
Term
Hydroxyl Group
Definition
A functional group consisting of a hydrogen atom joined to an oxygen atom by a polar covalent bond. Molecules possessing this group are soluble in water and are called alcohols
Term
Alcohols
Definition
compounds that contain an hydroxyl
Term
Carbonyl Group
Definition
a functional group present in aldehydes and ketones and consisting of a carbon atom double-bonded to an oxygen atom
Term
Ketones
Definition
when carbonyl group is within a carbon skeleton
Term
Aldehydes
Definition
When carbonyl group is at the end of the carbon skeleton
Term
Carboxyl Group
Definition
A functional group present in organic acids and consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group
Term
Carboxylic Acid
Definition
Organic Acids, Carboxyl compounds
Term
Amino Group
Definition
A functional group that consists of a nitrogen atom bonded to two hydrogen atoms; can act as a base in solution, accepting a hydrogen ion and acquiring a charge of 1+
Term
Amines
Definition
Compounds containing an amino group
Term
Sulfhydryl Group
Definition
A functional group consisting of a sulfur atom bonded to a hydrogen atom (-SH)
Term
Thiols
Definition
Compounds containing a sulfhydrl group
Term
Phosphate Group
Definition
A functional group important in energy transfer
Term
Organic Phosphate
Definition
A compound containing a phosphate group
Term
Adenosin Triphosphate (ATP)
Definition
an adenine-containing nucleoside triphosphate that releases free energy when its phosphate bonds are hydrolyzed. THis energy is used to drive endergonic reactions in cell
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