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Organic Chem
Matt Hobbs
61
Physiology
Undergraduate 3
09/12/2011

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Term
What are organic molecules?
Definition
Those containing carbon and hydrogen
Term
If two carbon atoms share one pair of electrons, they are said to have what type of bond?
Definition
Single Covalent Bond
Term
If two carbon atoms share two pairs of electrons, what type of bond are they said to have?
Definition
Double Covalent Bond
Term
What are molecules with exactly the same atoms arranged in exactly the same sequence yet differ with respect to the spatial orientation of a key functional group?
Definition
Stereoisomers
Term
What forms of stereoisomers of amino acids occur in living systems?
Definition
L-amino acids
Term
What forms of stereoisomers of sugars occur in living systems?
Definition
D-Sugars
Term
What group of organic molecules have the general formula CH2O (CnH2nO2)?
Definition
Carbohydrates
Term
What is a synonym for simple sugar?
Definition
Monosaccharide
Term
What is a synonym for a double sugar (two monosaccharides joined together)?
Definition
Disaccharide
Term
What is formed when many monosaccharides are joined together?
Definition
Polysaccharide
Term
What is animal starch?
Definition
Glycogen
Term
What type of reaction bonds unit molecules together by remove a hydrogen from one and a hydroxyl group from another and thus forming a water molecule?
Definition
Dehydration Synthesis (condensation)
Term
What type of reaction adds a hydrogen and a hydroxyl group to a molecule to split it into unit molecules?
Definition
Hydrolysis
Term
What group of organic molecules includes several types that differ in chemical structure but have the common characteristic of being insoluble in water?
Definition
Lipids
Term
What subcategory of lipids includes fats and oils and are formed by the condensation of one molecule of glycerol and three fatty acid molecules?
Definition
Triglycerides
Term
What molecule consists of a nonpolar hydrocarbon chain with a carboxyl group (COOH) on the one end?
Definition
A fatty acid molecule
Term
If within a fatty acid the carbon atoms of the hydro carbon chain are joined by single covalent bonds so that each carbon can also bond with two hydrogen atoms, what adjective describes the molecule?
Definition
Saturated
Term
If within a fatty acid one or more double bonds occur between carbons within the hydrocarbon chain, what adjective describes the molecule?
Definition
Unsaturated
Term
What is a synonym for triglycerides?
Definition
Neutral fats
Term
What type of molecules are derived from fatty acids and includes four-carbon-long acidic molecules (acetoacetic acid and beta-hydroxybutyric acid) and acetone?
Definition
Ketone bodies
Term
What condition occurs when fat is rapidly broken down and levels of ketone bodies are elevated in the blood?
Definition
Ketosis
Term
What condition occurs when there are sufficient amounts of ketone bodies in the blood to lower the pH?
Definition
Ketoacidosis
Term
What group of lipids contains a phosphate group?
Definition
Phospholipids
Term
What are spherical aggregations of phospholipids in aqueous solutions?
Definition
Micelles
Term
What are phospholipids that break surface tension in the lungs?
Definition
surfactants
Term
What type of molecule has three six carbon rings joined to one five carbon ring?
Definition
Steroids
Term
What molecule is the precursor to steroid hormones produced by the gonads and adrenal cortex?
Definition
Cholesterol
Term
What sex hormones are produced by the ovaries?
Definition
Estrogen & Progesterone
Term
What steroid is produced by the testes?
Definition
Testosterone
Term
What group of steroid is produced by the adrenal cortex?
Definition
Corticosteroids
Term
What molecule is formed by a fatty acid with a cyclic hydrocarbon?
Definition
Prostaglandin
Term
What type of molecule consists of long chains of amino acids?
Definition
Proteins
Term
What type of sub-unit molecules form proteins?
Definition
Amino Acids
Term
Draw an amino acid.
Definition
Term
How many different amino acids occur in living systems?
Definition
20
Term
What type of bond occurs between amino acids?
Definition
Peptide bond
Term
What level of protein structure consists of the sequence of amino acids?
Definition
Primary Structure
Term
What level of structure of a protein results in an alpha helix or a beta pleaded sheet?
Definition
Secondary Structure
Term
What level of structure of a protein produces the complex three-dimensional structure of the molecule?
Definition
Tertiary Structure
Term
What is the irreversible change of a protein due to an increase in temperature or a change in pH?
Definition
Denaturation
Term
What level of structure of a protein is formed by the bonding of a number of polypeptide chains?
Definition
Quaternary structure
Term
What type of molecule is formed by the conjugation of a protein and a carbohydrate?
Definition
glycoprotein
Term
what type of molecule is formed by the conjugation of a protein and a lipid?
Definition
Lipoprotein
Term
List the five functional categories of proteins:
Definition
1.structural proteins
2.enzymes
3.antibodies
4.carriers
5.receptors
Term
What are the unit molecules of nucleic acids?
Definition
Nucleotides
Term
What are the two main types of nucleic acids?
Definition
DNA & RNA
Term
What are the three components of a nucleotide?
Definition
a five carbon sugar, a nitrogenous base, a phosphate group
Term
What type of nucleotide consists of a single ring of carbon and nitrogen?
Definition
pyrimidine
Term
What type of nucleotide consists of two rings of carbon and nitrogen?
Definition
Purine
Term
What nucleic acid serves as the genetic code?
Definition
DNA
Term
What is the full term for DNA?
Definition
Deoxiribonucleic Acid
Term
What sugar occurs in DNA?
Definition
Deoxyribose
Term
What are the four bases found in DNA?
Definition
Guanine,Adenine (PURINES), Thymine, Cytosine (PYRIMIDINES)
Term
What molecules form the backbone of DNA?
Definition
the sugars and phosphates
Term
If we think of DNA as a ladder what molecules form the rings of the ladder?
Definition
The bases
Term
What is the general shape of DNA?
Definition
Double Helix
Term
In DNA, what bases pair with what bases?
Definition
Adenine to thymine and guanine to cytosine
Term
What is the full name of RNA?
Definition
Ribonucleic Acid
Term
What sugar is found in RNA?
Definition
Ribose
Term
How many strands make up an RNA molecule?
Definition
One (unlike DNA which has 2)
Term
What three types of RNA function in protein synthesis?
Definition
mRNA(messenger RNA), rRNA (Ribosomal RNA), tRNA (Transfer RNA)
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