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HBio Org Cmpd #4,5

Polymer: nucleic acid Monomer: nucleotides
Parts of a nucleotide 5 Carbon sugar, phosphate group, nitrogen base
2 types of nucleic acids RNA, DNA
Function of DNA store/transmit hereditary info (proteins)
Function of RNA protein synthesis
examples of lipids are fats, oils, waxes
Polymer: proteins Monomer: amino acids
4 functions of proteins control rate/speed of chemical reaction
Form bones/muscles
Transport stuff in/out of cells
Help fight disease
protein precursor amino acids
Enzyme Liver Lab: Chemical Equation H¬¬¬¬2O2 + Catalase --> O2g + H20 + Catalase
Name of Sugar found in milk (disaccharide) Lactose
Milk Digestion Lab: Chemical Equation Lactose + Lactase --> glucose + galactose + Lactase
milk sugar enzyme name Lactase
the type of chemical reaction Hydrolysis
involved in splitting of lactose
How do enzymes affect chemical reactions? They act as a catalyst by speeding up the chemical reaction rate.
liver enzyme name catalase
Enzyme Lab - Name of substrate hydrogen peroxide
Catalase: optimum pH / optimum temperature pH = 7 temp = 25 - 30°
How many amino acids are there? 20
peptide bond the bond between two amino acids
poly- many
polypeptide many peptide bonds~protein
catalyst proteins speed up chemical reaction rates
enzyme names end in… -ase
Enzymes are specific. Example: lactase only works with lactose
Are enzyme structures changed
during a chemical reaction? No
Can enzymes be reused? Yes; therefore, we only need them in small amounts
Substrate reactant of an enzyme catalyzed reaction
(what the enzyme works on)
active site the place on the enzyme where the substrate fits
lock and key model enzymes are specific; lactase only works with lactose
5 factors that affect enzyme function pH, temperature, ion concentration, coenzymes,
concentration (enzyme and substrate)
optimum ideal; the best
denature unravel
coenzyme some enzymes require coenzymes to function
Created by: tferris5