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FCSDBio 3

Photosynthesis & Respiration

TermDefinition
substance composed of only one type of atom element
smallest unit of an element that has all the properties of that element atom
two or more elements chemically combined compound
smallest unit of a compound molecule
C, H, O, N (carbon, hydrogen, oxygen, nitrogen) most common elements
contain carbon AND hydrogen, larger organic compounds
salts, minerals, gases, most acids & bases inorganic compounds
all the chemical reactoins that occur within the cells of an organism metabolism
a process of living things combining smaller units into larger ones while losing a molecule of water dehydration synthesis
opposite of dehydration synthesis; splitting using water hydrolysis
nucleic acids, carbohydrates, lipids, proteins types of organic compounds
made from nucleotides; make RNA & DNA nucleic acids
sugars & starches; made from simple sugars; supply energy; starch (plants), glycogen (humans), cellulose (plants) carbohydrates
fats, oils, waxes; all made from fatty acids and glycerol; store energy lipids
made from amino acids; make enzymes, receptor molecules, hormones, antibodies proteins
way of obtaining the 4 basic organic compounds nutrition
organisms that make food from inorganic compounds (ex. green plants, algae) autotrophs
organisms that cannot make their own organic compounds so they must eat other organisms (ex. animals, bacteria) heterotrophs
all life depends on this for energy sun
equation of photosynthesis 6 CO2 + 6 H2O + light = C6H12O6 + 6 O2
Created by: fcsdklw