Shared Flashcard Set

Details

BIO 110: Chapter 3
Chemical Basis of Life: Organic Molecules
75
Biology
Undergraduate 1
06/10/2009

Additional Biology Flashcards

 


 

Cards

Term
Organic Molecules
Definition
Molecules that contain carbon and are abundant in living organisms.
Term
Lipids, proteins, and carbohydrates, and nucleic acids.
Definition
Examples of organic molecules.
Term
Hydrophic.
Definition
End of ampipathic molecules that contain Carbon-carbon and carbon-hydrogen bonds.
Term
Hydrophillic.
Definition
End of ampipathic molecules that contain carbon-oxygen bonds.
Term
Amino Group
Definition

 

 

NH2

Term

 

 

Carboxyl Group

Definition

 

 

 

 

CHO2

Term

 

 

 

Hydroxyl Group

Definition

 

 

 

 

OH functional group

Term

 

Methyl group

Definition

 

 

CH3 functional group

Term
Phosphate group
Definition
PO4 functional group
Term
Isomers
Definition
Two structures with identical molecular formula but different structures and characteristics.
Term
Stereoisomers
Definition
Isomers with identical bonding but the spatial positioning of the atoms differs.
Term
Structural isomers
Definition
Isomers that contain the same atoms but bonded differently.
Term
Geometric Isomers
Definition
Stereoisomers that contain cis and trans positioning around a double bond.
Term
Enantiomers
Definition
Stereoisomers that contain mirror images of another molecule.
Term
cis molecule
Definition
Geometric isomer with double carbon bond on same side of molecule.
Term
trans isomer
Definition
Geometric isomer with double carbon bond on either side of molecule.
Term
Left handed enantiomer
Definition
Enantiomer that binds poorly in living cells.
Term
Right handed enantiomer
Definition
Enantiomer that binds strongly in living cells.
Term
Carbohydrates
Definition
Organic molecules that are composed of C, H. and O atoms.
Term
Monosaccharide
Definition
Monomer of a carbohydrate. Can have ring or linear structure.
Term
Monosaccharides
Definition
Glucose and fructose are examples of _______.
Term
Structural isomers
Definition
Glucose and galactose are what kind of isomers?
Term
Stereoisomers
Definition
alpha Glucose and beta Glucose are what kind of isomers?
Term
Enantiomers
Definition
D-glucose and L-glucose are what kind of isomers?
Term
Disaccharides
Definition
Carbohydrates composed of two monosaccharides.
Term
Disaccharides
Definition
Sucrose, maltose and lactose are what kinds of carbohydrate?
Term
Polysaccharides
Definition
Many monosaccharides linked to form polymers.
Term
Polysaccharides; plants and animals.
Definition
Starch and glycogen are _________ found in __________.
Term
Polysaccharides
Definition
Chitin, cellulose and cartilage are examples of what kind of carbohydrate?
Term
Lipids/Fats
Definition
Nonpolar, uncharged, hydrophobic molecules composed primarily of H and C atoms.
Term
Ester bonds
Definition
Fats form what kind of bonds?
Term
Triglyceride
Definition
Lipid that is formed by the covalent linkage of three fatty acids to a glycerol molecule.
Term
Saturated Fatty Acid
Definition
Fats that are saturated with single covalent carbon bonds with Hydrogen.
Term
Unsaturated Fatty Acids
Definition
Fats that contain one or more double carbon bonds.
Term
Amino acids
Definition
Monomer of macromolecule that contains peptide linkages.
Term
Fatty acids
Definition
Monomer in macromolecules that contain ester linkage.
Term
Nucleotides
Definition
Monomer in macromolecules that contain phosphoester linkage.
Term
Monosaccharides
Definition
Monomers in macromolecules that contain glycosidic linkage.
Term
Phospholipid
Definition
Ampipathic molecule that contains glycerol + 2 fatty acids + phosphate group.
Term
Phosphate region
Definition
Region of a phospholipid that is hydrophillic.
Term
Fatty acids
Definition
Region of a phospholipid that is hydrophobic.
Term
Steroid
Definition
Macromolecule with four interconnected rings of carbon atoms.
Term
Amino Acid
Definition
Monomer of a protein.
Term
Protein
Definition
Composed of C, H, O, N and small amounts of other elements, (S) sulfur.
Term
20
Definition
Number of amino acids that exist.
Term
Polypeptide
Definition
Two or more amino acids joined together with a peptide bond.
Term
N-terminus
Definition
Amino end of a protein that has a positive charge.
Term
C-terminus
Definition
Carboxyl end of a protein that has a negative charge.
Term
Quaternary Structure
Definition
Assembly of subunits into a functional protein.
Term
Tertiary Structure
Definition
3-dimensional shape of polypeptide chain.
Term
Secondary Structure
Definition
Hydrogen bonding within the peptide backbone.
Term
Primary Structure
Definition
Linear sequence of amino acids.
Term

Hydrogen bonds

Ionic Bonds

Hydrophobic effects

Van der Waals forces

Disulfide Bridges

Definition
5 factors promoting protein folding and stability.
Term
Fatty Acids
Definition
Typically have an even number of carbon atoms in them.
Term
Deoxyribonucleic acid (DNA)
Definition
Stores genetic information coded in the sequence of their monomer building blocks.
Term
Ribonucleic Acid (RNA)
Definition
Involved in decoding stored information into instructions for linking together a specific sequence of amino acids to form a polypeptide chain.
Term
Nucleotide
Definition
Monomer of a Nucleic Acid
Term
Nucleic Acid
Definition
Responsible for the storage, expression, and transmission of genetic information.
Term
Nucleotide
Definition
Made up of a phosphate group, a five-carbon sugar, and a single or double ring of carbon and nitrogen atoms, known as a base.
Term
Nucleic acids
Definition
Have a sugar-phosphate backbone.
Term
DNA
Definition
Includes double bonded bases A and T.
Term
RNA
Definition
Includes double bonded A and U.
Term
DNA and RNA
Definition
Includes triple bonded C and G.
Term
DNA
Definition
Has 2 strands in a double helix form.
Term
RNA
Definition
Nucleic acid with a single strand.
Term
Purines
Definition
Bases with double fused rings or C or N atoms and include Adenine and Guanine.
Term
Pyridimines
Definition
Bases with single rings and include Cytosine, Thymine and Uracil.
Term
Purines : Adenine and Guanine
Definition
Pure as 2 gold rings.
Term
Pyridimines: Cytosine, Thymine and Uracil.
Definition
CUT the Py. A pie is a single ring.
Term
Adenine
Definition
Base that pairs with Thymine in DNA.
Term
Thymine
Definition
Base that pairs with Adenine in DNA.
Term
Guanine
Definition
Base that pairs with Cytosine.
Term
Cytosine
Definition
Base that pairs with Guanine.
Term
Uracil
Definition
Base that pairs with Adenine in RNA.
Term
Adenine
Definition
Base that pairs with Uracil in RNA.
Supporting users have an ad free experience!