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Biochemistry
Introduction to Organic Compounds
37
Science
9th Grade
09/05/2009

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Term
biochemist
Definition
scientist who studies the chemistry of organic substances
Term
cycles
Definition
repeating over and over again
Term
enzyme
Definition
protein that acts as a catalyst for organic chemical reactions
Term
photosynthesis
Definition
process that produces glucose from H2O and CO2 with energy from light
Term
proteins
Definition
made with long sequences of amino acids
Term
glucose
Definition
simple sugar C6H12O6
Term
hydrocarbon
Definition
the simplest organic compound made only of hydrogen and carbon
Term
metabolism
Definition
the sum of all chemical reactions that an organism needs to survive
Term
energy
Definition
the capacity to do work
Term
carbon dioxide
Definition
a compound of one carbon and two oxygens; CO2
Term
ADP
Definition
a compound of adenosine and two phosphates (low energy)
Term
ATP
Definition
a compound of adinosine and three phosphates (high energy)
Term
monosaccharide
Definition
simple sugar compound; one sugar
Term
polysaccharide
Definition
many sugars;complex carbohydrate
Term
starch
Definition
a complex carbohydrate in potatoes
Term
carbohydrate

Definition
a compound of carbon and water
Term
sucrose
Definition
table sugar; a disaccharide
Term
cellulose
Definition
a complex carbohydrate in the wood of trees or fibers in celery
Term
chitin
Definition
most complex carbohydrate in the exoskeleton of insects
Term
lipid
Definition
fat, oil, or wax; glycerol and fatty acids
Term
saturated
Definition
containing the most
hydrogen possible
Term
unsaturated
Definition
less hydrogen because of double bonds between carbon atoms
Term
DNA
Definition
double-stranded nucleic acid that contains deoxyribose
Term
RNA
Definition
single-stranded nucleic acid that contains ribose
Term
nucleotide
Definition
basic unit of DNA and RNA
Term
amino acid
Definition
basic unit of proteins
Term
organic compound
Definition
any compound that contains carbon
Term
isomers
Definition
organic compounds that have the same formula but different structure and properties
Term
C9H8O4
Definition
The chemical formula of aspirin
Term
nucleic acid
Definition
macromolecule responsible for genetic inheritance
Term
hydrophobic
Definition
a water-fearing substance; not likely to dissolve in water
Term
simple sugar
Definition
the complete unit of a saccharide molecule
Term
macromolecules
Definition
very large organic molecules; proteins, polysaccharides, and nucleic acids
Term
RNA
Definition
nucleic acid that contains ribose and uracil
Term
DNA
Definition
double-stranded nucleic acid that forms chromosomes
Term
metabolism
Definition
the sum of all chemical reactions that an organism needs to survive
Term
photosynthesis
Definition
produces glucose from water and carbon dioxide in the presence of light
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