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| enzymes |
speed up chemcial reactions that take place in cells. |
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porkchoppony Mon, 19 Oct 2009 00:56:41 GMT |
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| chemcial reactions that release energy often occur spontaneously. chemical reactions that _____ energy will not occur without.... |
absorb without a source of energy. |
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porkchoppony Mon, 19 Oct 2009 00:56:41 GMT |
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| chemcial reactions always involve changes to the _____ that join atoms in compounds. |
chemical bonds. |
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porkchoppony Mon, 19 Oct 2009 00:56:41 GMT |
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| Some protiens control the rate of _____ and regulate cell _______some are used to form bones and ______. others transport substancesinto or out of cells or help to fight disease. |
reactions processes muscles |
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porkchoppony Mon, 19 Oct 2009 00:55:08 GMT |
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| lipids can be used to _______ _____. |
lipids can be used to store energy. |
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porkchoppony Mon, 19 Oct 2009 00:55:08 GMT |
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| fourgroups of organic compounds |
lipids, protiens, carbohydrates, nucleic acids. |
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porkchoppony Mon, 19 Oct 2009 00:55:08 GMT |
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| carbohydrates are a main source of ____ |
energy! |
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porkchoppony Mon, 19 Oct 2009 00:55:08 GMT |
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| a water molecule |
is polar becauuse of an uneven distribution of electrons between H and O. |
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porkchoppony Mon, 19 Oct 2009 00:52:10 GMT |
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| covalent |
shared. |
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porkchoppony Mon, 19 Oct 2009 00:52:10 GMT |
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| iionic bond: |
transfered electrons |
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porkchoppony Mon, 19 Oct 2009 00:52:10 GMT |
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| the main type of chemical bonds are : |
ionic bonds
covalent bonds. |
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porkchoppony Mon, 19 Oct 2009 00:52:10 GMT |
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| buffers |
weak acids or bases that react to prevent large changes |
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porkchoppony Sat, 17 Oct 2009 13:11:54 GMT |
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| base |
hydroxie ions in a solution |
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porkchoppony Sat, 17 Oct 2009 13:11:54 GMT |
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| acid |
H+ |
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porkchoppony Sat, 17 Oct 2009 13:11:27 GMT |
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| pH scale |
H+ = acid OH+ = basic
scale ranges from 0-14 |
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porkchoppony Sat, 17 Oct 2009 13:11:27 GMT |
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| suspensions |
such mixtures of water and nondissolved matterials |
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porkchoppony Sat, 17 Oct 2009 13:11:27 GMT |
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| solvent |
substance in which solute dissolves |
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porkchoppony Sat, 17 Oct 2009 13:11:27 GMT |
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| solute |
substance that is dissolved |
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porkchoppony Sat, 17 Oct 2009 13:10:30 GMT |
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| solution |
forming a type of mixture |
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porkchoppony Sat, 17 Oct 2009 13:10:30 GMT |
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| adhesion |
attraction from
DIFFERENT
substances
aDhesion D= different substances |
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porkchoppony Sat, 17 Oct 2009 13:10:30 GMT |
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| choesion |
attraction from molecules in the
SAME
substance.
choeSion S= same substance |
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porkchoppony Sat, 17 Oct 2009 13:10:30 GMT |
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| products |
elements produced by a chemical reaction |
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porkchoppony Sat, 17 Oct 2009 13:07:47 GMT |
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| activation energy |
energy needed to get a reation started |
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porkchoppony Sat, 17 Oct 2009 13:07:46 GMT |
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| products |
elements produced by a chemiclal reaction |
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porkchoppony Sat, 17 Oct 2009 13:07:46 GMT |
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| reactants |
erlements that enter a chemical reaction |
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porkchoppony Sat, 17 Oct 2009 13:07:46 GMT |
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| chemical reaction |
process that changes one set of chemicals into another |
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porkchoppony Sat, 17 Oct 2009 13:07:05 GMT |
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| polymerization |
bonds polymers |
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porkchoppony Sat, 17 Oct 2009 13:07:05 GMT |
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| amino acid |
protiens are polymers of molecules |
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porkchoppony Sat, 17 Oct 2009 13:07:05 GMT |
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| protien |
macromolecules that contain nitrgoen as well as carbon hydrogen and oxygen |
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porkchoppony Sat, 17 Oct 2009 13:07:05 GMT |
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| Dna |
sugar nucleic acid |
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porkchoppony Sat, 17 Oct 2009 13:06:02 GMT |
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| RNA |
sugar ribus |
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porkchoppony Sat, 17 Oct 2009 13:06:02 GMT |
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| necleotide |
polhymer assembled from individual monomers known as nucleotides.
three parts. carbon, phosphate, nitrogenous, and ribonucleic acid. and sugar ribose nucleic acid.
NOT IMPORTANT |
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porkchoppony Sat, 17 Oct 2009 13:06:02 GMT |
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| nucleic acid |
genetic information |
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porkchoppony Sat, 17 Oct 2009 13:06:02 GMT |
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| lipid |
not soluble in water made of mostly Carbon and Hydrogen |
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porkchoppony Sat, 17 Oct 2009 13:04:39 GMT |
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| polysaccride |
large macromolecules formed from monosaccharides |
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porkchoppony Sat, 17 Oct 2009 13:04:39 GMT |
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| monosaccharide |
single sugar molecules |
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porkchoppony Sat, 17 Oct 2009 13:04:39 GMT |
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| carbohydrate |
energy |
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porkchoppony Sat, 17 Oct 2009 13:04:39 GMT |
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| polymer |
? |
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porkchoppony Sat, 17 Oct 2009 13:03:52 GMT |
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| monomer |
\ |
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porkchoppony Sat, 17 Oct 2009 13:03:52 GMT |
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| van derr waals |
intermolecular forces of attraction. when molecles are so close tgether a slight attraction can develop between oppositely charged regions of nearby molecules |
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porkchoppony Sat, 17 Oct 2009 13:03:52 GMT |
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| molecule |
smallest unit of componds |
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porkchoppony Sat, 17 Oct 2009 13:03:52 GMT |
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| covalent bond |
sharing of electrons |
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porkchoppony Sat, 17 Oct 2009 13:01:31 GMT |
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| ion |
charged atom |
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porkchoppony Sat, 17 Oct 2009 13:01:31 GMT |
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| ionic bond |
giving or taking electrons to form ions |
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porkchoppony Sat, 17 Oct 2009 13:01:31 GMT |
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| compound |
substance formed by chemical comination of two or more elements in definate porportions.
s |
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porkchoppony Sat, 17 Oct 2009 13:01:31 GMT |
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| element |
pure substance that consitits of one type of atom |
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porkchoppony Sat, 17 Oct 2009 13:00:11 GMT |
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| electron |
negitivly charged partical |
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porkchoppony Sat, 17 Oct 2009 13:00:11 GMT |
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| nucleus |
center of an atom. consists of protons and neutrons |
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porkchoppony Sat, 17 Oct 2009 13:00:11 GMT |
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| ATOMS |
basic unit of matter. |
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porkchoppony Sat, 17 Oct 2009 13:00:11 GMT |
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