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2980107
Bio Chemistry
Descripción
finals review
Sin etiquetas
biochem
bio
chem
Mapa Mental por
charlesm2000
, actualizado hace más de 1 año
Más
Menos
Creado por
charlesm2000
hace más de 9 años
48
1
0
Resumen del Recurso
Bio Chemistry
Carbon (four binding sights)
Organic Macromolecules
Lipids
Fats, oils, waxes, hormones
Phospolipids
Phospholipid bilayer - cell membrane
Polar phosphate head with fatty acid tail
Functions
Enrgy storage (twice as much as carbohydrates)
Cell membrane
Cushions/insulates organs and body
Hormones
Waxes
Saturated Fats
Saturated = filled, all carbons are bound to two hydrogens
Unsaturated Fats
unsaturated = not filled, not all carbons are paired with two hydrogens, atleast two carbons are double bound to eachother
Carbohydrates
Sugars
Monosaccharides
Disaccharides
Polysaccharides
Functions
Store and Release "quick" energy
Structural components of plants and insects
Nucleic Acids
DNA/RNA
Functions
Stores Genetic Info
Transfers Information
Nucleotides
Phosphate Group - 5 Carbon Sugar - Nitrogen Base
Ribose or Deoxyribose
Adenine, Thymine, Guanine, Cytosine, Uracil
Thymine only in DNA
Uracil only in RNA
Purines (double ring nitrogen base)
Adenine
Guanine
Pyrimidines (Single ring nitrogen base)
Cytosine
Thymine
Uracil
Proteins
Functions
Hormones
Movement
Immune System
Enzymes
Function of enzymes
Acts as a biological catalyst in chemical reactions, speeds up reaction without affecting itself
How it works
Substrate(s) binds to the active site of the enzyme, enzyme then either adds (anabolism) the substrates or breaks (catabolism) the substrate.
Anabolism
Lock-and-Key method
Induced fit method
Structure
Central Carbon
Amino Group
Carboxyl Group
R Group (Variable Group)
Gives unique chemical properties to each amino acid
Peptide bond joins amino acids
Elements
Lipids - C,H,O
Proteins - C,H,O,N
Nucleic Acids - C,H,O,N,P
Carbohydrates - C,H,O
Monomers
Lipids - fatty acids
Proteins - Amino Acids
Nucleic Acids - Nucleotides
Carbohydrates - Monosaccharides
Polymers
Lipids - Triglycerides
Proteins - Polypeptides
Nucleic Acids - DNA or RNA
Carbohydrates - Polysaccharides
pH - Acidity or Alkalinity of a substance
Acidic - Low pH
Alkaline - High pH
Polar molecules - equal sharing of electrons
Non-Polar molecules - unequal sharing of electrons
Bonds
Hydrogen
Weak bond formed between two hydrogen atoms
Covalent
Strong bond formed from the sharing of valence electrons
Ionic
When molecules take electrons from the other
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