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AP Bio
Chapter 4 Vocab
32
Biology
Undergraduate 1
08/23/2010

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Term
Organic Chemistry
Definition
Studies carbon compunds
Term
Hydrocarbons
Definition
Organic molecules consisting only of Carbon and Hydrogen.
Term
3 kinds of Isomers
Definition
Structural, Geometric, and Enantiomers
Term
Structural Isomers
Definition
Differ in the covalent arrangements of their atoms. Number increases as carbon skeleton length increases. May differ in location of double bonds.
Term
Geometric Isomers
Definition
Same covalent partnerships but differ in their spatial arrangement. Arrise from infelxability of double bonds. Differences can drastically alter their biological function.
Term
Enantiomers
Definition
Mirror images. Differences important in pharmaceutical industry, Example of L-Dopa.
Term
Functional Groups
Definition
Components of organic molecules most commonly involved in chemical reactions. Replace a H on a C chain. Each one behaves ina characteristic manner.
Term
Structure of a Hydroxyl Group
Definition
-OH
Term
Name of compunds with a Hydroxyl Group
Definition
Alcohols, names end in 'ol
Term
Example of a compound with a Hydroxyl Group
Definition
Ethanol, C2H6O1
Term
Properties of the Hydroxyl Group
Definition
Is Polar because of the electronegativity of the O atom pulling electrons towards it.
Attracts water molecules, helps to dissolve organic compounds like sugars.
Term
Structure of a Carbonyl Group
Definition
>CO
Term
Name of compunds with a Carbonyl Group
Definition
Ketones if the Carbonyl Group is within the C chain
Aldehyde if the Carbonyl Group is at the end of a C chain.
Term
Example of compunds with Carbonyl Group
Definition
Acetone, the simplest ketone, C3H6O1
Propanol, an Aldehyde, C3H6O1
Term
Propeties of Carbonyl Group
Definition
A Ketone and an Aldehyde may be structural isomers with different properties like Acetone and Propanol.
Term
Structure of Carboxyl Group
Definition
-COOH
-C=0
|
OH
Term
Name of compunds with a Carboxyl Group
Definition
Carboxylic Acids, or Organic Acids
Term
Example of compund with a Carboxyl Group
Definition
Acetic Acid, C2H4O2
Term
Properties of compunds with Carboxyl Group
Definition
Has a source of H+ ions so they are acidic. These H+ ions dissociate reversibly due to the polarity of H bonded to O. In cells found as the Carboxylate Group as the ionic form.
Term
Structure of the Amino Group
Definition
-NH2
Term
Name of Compunds with Amino Group
Definition
Amines
Term
Example of Compound with Amino Group
Definition
Glycine, C2H5O2N
Actually, Glycine is both an Amine and a Carboxylic Acid.
Term
Functional Properties of Amine Groups
Definition
Acts as a base, can pick up H+
Ionized with a 1+ charge in cellular conditions
Term
Structure of a Sulphydryl Group
Definition
-SH
Term
Names of Compunds with a Sulphydryl Group
Definition
Thiols
Term
Example of a compound with a Sulphydryl Group
Definition
Ethanethiol, C2H6S
Term
Properties of compounds with Sulphydryl Group
Definition
Two Sulphydryl Groups can interact to help stabilize protein structure
Term
Structure of a Phosphate Group
Definition
PO4 with a charge of 2-
Term
Name of compounds with a Phosphate Group
Definition
Organic phosphates
Term
Examples of a compound with a Phosphate Group
Definition
C3H7O6P Glycerol Phosphate
Term
Functional properties of compounds with Phosphate Groups
Definition
Makes the molecule of which it is a part a anion
Can transfer energy between organic molecules
Term
ATP
Definition
Adenosine Triphosphate, the primary energy transfer molecule in the cell.
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