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cell physiology ch 1-4
cell phys
27
Biology
Undergraduate 3
02/06/2012

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Term
Protein basic monomer
Definition
AminoAcid
Term
Amino Acid structure
Definition
amino group NH3+
side chain R-C-H
carboxyl group O-C=O
Term
Non Polar amino acids
Definition
Glycine Alanine Valine Leucine
Isoleucine Methionine Phenylalanine
Tryptophan Proline
Term
Polar amino acids
Definition
Serine Threonine Cytosine Tyrosine Asparagine Glutamine
Term
Acidic Amino acids
Definition
Aspartate Glotamate
Term
Basic amino acids
Definition
Lysine Arginine Histidine
Term
N terminus to C terminus
Definition
direction of poly peptide from first amine to last carboxyl group
Term
Primary Structure
Definition
sequence of amino acids linked together by peptide bonds
held together by covalent bonds
Term
Secondary Structure
Definition
Self organized structure held together by H-bonds
Alpha Helix
Beta Sheet
Term
Tertiary Structure
Definition
Secondary structure collapses into a 3d figure
designated by non covalent interactions from 1* structure
Term
Disulfide bond
Definition
Formed by two Cystine amino acids
Stabalizes tertiary structure
Term
quaternary structure
Definition
Multiple tertiary proteins combining to form one protein
Term
Carbohydrates
Definition
Energy storage
Structural functions
Term
Carbohydrate basic unit
Definition
Monosaccharide
Term
Monosaccharide
Definition
Hydrated carbon chain containing ketone or aldehyde
Term
Alpha epimer
Definition
Hydroxyl group on carbon 1 faces down
Term
Beta epimer
Definition
hydroxyl group on carbon 1 faces up
Term
Glycerol
Definition
3 carbon alcohol
every carbon saturated
Term
triglyceride
Definition
Glycerol + 3 Fatty acids
Term
Fatty acid
Definition
Long hydrocarbon chain with hydrophillic carboxylic acid head
Term
Phospholipid
Definition
Basic structure of biological membranes
Glycerol containing two fatty acid tails and a phosphate group head
Term
Amphipathic
Definition
Contains both polar and non polar structures
both hydrophillic and hydrophobic
Term
Cholesterol
Definition
constituent of membranes and the source of hormonal steroids
Term
Nucleic acid
Definition
DNA RNA
metabolic role
regulatory role
Term
Nucleic acid basic structure
Definition
Phosphate group-Sugar-Base
Term
Nucleotide phosphate groups
Definition
tri- di- mono-
held together by high energy phosphoanhydride bonds
Term
Nucleotide bases
Definition
Purines Adenine Guanine
Pyrimidine Cytosine thymine Uracil
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