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Definition
1. associated with non living things
2. small with few atoms
3. contains metal and non metals |
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Definition
1. associated with living things
2. large with many atoms
3. always contains carbon and hydrogen |
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Term
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Definition
1.a polar molecule, hydrogen is a weak bond and can be easily broken
2. keeps body temp. within normal limits
3. accounts for cooling effect of sweat
4. excellent transport medium
5. known as the universal solvent
6. has a ph of 7 |
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Term
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Definition
| a compound that dissociates in water and releases hydrogen ions |
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Term
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Definition
| a compound that dissociates in water and releases OH(hydroxide) ions |
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Term
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Definition
| is a means of measuring the amount of h or OH ions. Range from 0-14 |
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Term
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Definition
1. carbohydrates
2. lipids
3. proteins
4. Nucleic Acids |
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Term
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Definition
1. basic building materials of all living things ex: muscles, hair, cartilage...
2. make up of amino acids, 20 different amino acids that make up proteins
3. 2 amino acids bond together to form a dipeptide bond (di=2)
4. a long chain of amino acids called a polypeptide bond (poly=many) |
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Term
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Definition
1.organic compound composed of carbon, hydrogen, and oxygen, ex: sugars and starches
2. they exist as monosaccharide, disaccharide, or polysaccharide (saccharide=sugar)
3. most sugars end in -ose ex: maltose, sucrose, lactose, and galactose |
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Term
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Definition
1. fatty compound made up or carbon, hydrogen, and oxygen ex: fats, oils, and waxes
2. 3 kinds exist: triglycerides, steroids, and waxes |
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Term
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Definition
1. complex organic molecules that store important information in the cell
2. 2 most important type of nucleic acids
3. DNA (deoxyribonucleic acid) stores information essential for most cell activities, including cell division
4. RNA (ribonucleic acid) stores and transfers information that is essential for the manufacturing of proteins
5. both DNA and RNA are made up of monomers called nucleotides |
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Term
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Definition
| anything that takes up space |
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Term
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Definition
| that capacity to move matter |
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Term
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Definition
| the amount of matter in an object |
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Definition
| the pull of gravity on its mass |
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Term
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Definition
| characterisitics that can be determined without changing the basic makeup of the substance. includes size, shape, texture,and color |
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| 3 common states of matter |
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Definition
| solid, liquid, and gas *plasma |
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Term
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Definition
| when one substance breaks down into another substance. Substance undergoes a chemical change, it is changed into one or more different substances |
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Definition
| basic building blocks of all matter |
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Definition
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| nucleus consists of what 2 main parts |
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Definition
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Term
| protons carry a _____ charge |
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Definition
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Term
| nuetrons carry a _______ charge |
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Definition
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Term
| electrons carry a __________ charge |
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Definition
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Term
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Definition
number of electrons does not equal the number or protons
1. loses electrons it becomes a positive (cation) ion
2. gains electrons then it is a negative (anion) ion |
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Term
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Definition
1.a substance which cannot be broken into a simpler substance
2. 92 are naturally occuring in the environment
3. most common found in living organisms
C= carbon, H= hydrogen, O= oxygen, N= nitrogen, S= sulfur, P= phosphorous
4. all of the elements on earth, both natural and man made can be found on the perodic table |
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Term
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Definition
1.atomic#= # of protons in nucleus
2. atomic mass= # of protons + # of neutrons
3. # of protons in the nucleus = # of electrons in the orbit/shell |
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Term
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Definition
1. 2 or more elements chemically combined
2. most are made by living things
3. 1-14 in the periodic table are highly reactive |
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Term
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Definition
1. smallest part of a compound ex: molecular formula of water is H20
2. molecular weight of any substance= the sum of the mass numbers of all the atoms in the molecule |
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Term
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Definition
| different # of neutrons in an atom |
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Term
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Definition
1. solution- when one substance disperses into another one to make a uniform mixture ex: salt + water= salt water
2. solute- what the substance is dissolved in
3. solvant- the name given to the substance being dissolved
4. suspension- mixture in which particles are temporarily mixed together ex: dirt + water= muddy water
5. colloide- mixture whice particles are larger than those in a solution yet smaller than those in a suspension. particles that are too small to be filtered out with paper filter ex: mayonnaise |
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