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| a highly tested, generally accepted principle |
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| not necessarily a complexity of living things |
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| maintaining a balance within their cells and the enviorment |
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| testable, possible explanation of an observation |
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| Steps of the scietnific method |
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| observations, hypothesis, theory, controlled testing, verification |
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| A unifying explanation for a broad range of explanations |
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| CH2 chains are closely related to |
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| carbon atoms are bonded together with a double bond in the molecule that has the chemical formula... |
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| Saturated Fatty acids contain |
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| carbon atoms that are each bonded to four other atoms |
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| the formation of polymers to monomers; the breakdown of polymesinto monomers |
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| the direction of qualities in the phosphate-sugar backbones of DNA |
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| Nonpolar is a characteristic of... |
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| un-saturated fatty acid chains |
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| in lipid synthesis, the condensation reaction forms that forms the link between a glycerol molecule and a fatty acid |
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| long chains of nucleotides |
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| DNA double helix two strands are held together at the nitrogen bases by |
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| phospholipid molecule dosn't contain |
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| nucleotides are related to |
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| condensation or dehydration synthesis |
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| the reaction that links amino acids to form polypeptides , links simple sugars to form polysaccharides and that is involved in the formation of triglycerides produces water as a by-product |
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| true globular proteins, but not fibrous are |
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| usually soluble in the cytoplasm of cells and the plasma of blood |
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| amino acids are monomers of |
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| orbit the nucleus in various ebergy levels |
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| difference of an ionic and covalent bond |
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| Electrons are exchanged between atoms held together by an ionic bond, but they are shared between atoms with a covalent bond |
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| Acidic solutions have a pH that is |
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| tend to prevent sudden or large flucuations in pH |
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| atoms become more stable when they form compounds because |
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| their outer orbitals become filled when they form compounds |
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| it has 4 electrons in its outer most energy level, readily bonds with other carbon atoms, always gain electrons when they form compounds |
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| a substance that is composed of only one type of atom |
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| the bond formed when two atoms share a pair of electrons unequally |
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| characteristics of water that are not a result of hydrogen bonding |
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| adhesive strength, high specific heat, and cohesive strength |
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| a molecule that has a partial positive charge on one side and a partial negative charge on the other side |
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| protons with a positive charge, neutrons with no charge, and a electrons with a negative charge |
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| all the matter in the universe |
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| All organic compound contain the element |
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| functional group found in fatty acids |
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| water molecules break up other polar substances |
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| such as salts,because of the uneven charge distribution that exists in water molecules, thus freeing ions in these substances for use in the body |
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| smallest particle of carbon that can retain the chemical properties of carbon |
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| Long chains of amino acids are found in |
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| one kind of functional group in organic molecules that contains oxygen |
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| amino acids functional groups |
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| an amino group and a carboxylic group |
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| water molecule is polar because |
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| do not share the electrons equally |
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| Saturated fatty acids contain |
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| carbon atoms that are each bonded to four other atoms |
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| Animals store glucose in the form of |
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| an atom that has lost or gained electrons |
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