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HumanBodyCH2

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Term
Definition
Adenosine triphosphate   transports chemical energy within cells for metabolism. It is one of the end products of photophosphorylation, cellular respiration, and fermentation and used by enzymes and structural proteins in many cellular processes  
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Matter   occupy space and has mass  
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Molecules   particles of matter composed one or more atoms  
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elements   pure substances composed of one kind of atom  
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Compound   made up of two or more elements and has the ability to be broken down into the elements that form it.  
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ionic bond   one or more electrons are transferred from one atom to another, resulting in a change that attracts the atoms.  
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covalent bond   formed when two atoms share a pair of electrons.  
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inorganic compounds   do not contain carbon-carbon bonds or carbon-hydrogen bond  
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Isotopes   element contain the same number of protons but a different number of neutrons  
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Organic compounds   contain carbon and include carbon-carbon bonds and/or carbon-hydrogen bonds  
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Cations   are positively charged (Na+)  
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Anions   are negatively charged (Cl-)  
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buffer   is a chemical substance that prevents a sharp change in the pH of a fluid when an acid or base is added to it  
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Carbohydrates   energy source and are composed of monosaccha ride units that can be broken apart to yield energy.  
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Lipids   source of energy that is stored in the body in many forms. They are fat molecules composed mainly of glycerol and fatty acids.  
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Proteins   are composed of amino acids and are responsible for proper growth, development, and maintenance of health  
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Nucleic acids   are involved in the determination and transmission of genetic characteristics. Nucleic acids (DNA and RNA) are composed of nucleotides. These nucleotides serve as a code for assembling proteins.  
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synthesis   the forming or building of a more complex substance or compound from elements or simpler compounds.  
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tryglycerides   lipid molecules formed by one glycerol unit and three fatty acids. Stores energy in cells for later use  
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enzymes   ferment, chemical catalyst, (protein)  
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DNA   molecule of heredity  
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polysaccharides   many saccharides units joined. (carbohydrate). glycogen, starch  
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monosaccheride   basic unit carbohydrate molecules.(glucose, galactose, fructose)  
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phospholipids   stable bilayer structure allows foundation for the cell membrane, soluble in water and oil  
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Sodium   Na, natrium  
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Chlorine   CI, 7  
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Iodine   I, 7  
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deoxyribonucleic   nucleic acid DNA, contains genetic code for making protein  
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ribonucleic   nucleic acid RNA, serves as copy of portion of the genetic code  
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Deoxyribose   DNA (sugar)  
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Ribose   RNA sugar  
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RNA nucleotides base   Cytosine, Guanine, Adenine, Uracil  
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DNA nucleotides base   Cytosine, Guanine, Adenine, Thymine  
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nucleotides components   phosphate unit, sugar, nitrogen base  
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Oxygen   O, 6  
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Carbon   C, 4  
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Hydrogen   H, 1  
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Nitrogen   N, 5  
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Calcium   Ca, 2  
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Phoshorus   P, 5  
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Potassium   K, 1 (Kalium)  
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Structural protein   fibers, form structure of the body  
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Functional protein   facilitate chemical reaction; send signals; regulates function  
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Electrolytes   Molecules that form ions when dissolved in water. Conduct electrical current in the body and allow the body's electrical impulses to be measured for an EEG or ECG  
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Salt   any compound that results from the chemical interaction of an acid and a base. Dissociate in solution to form positively and negatively charged ions.  
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polymer   a compound formed from two or more polymeric compounds  
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Peptides   short polymer chain  
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Polypeptides   long polymer chain  
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amino acids   The elements that make up a protein molecule are bonded together to form chemical units Are the building blocks of proteins  
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Protein   polymer chain exceeds about 100 amino acids, (molecule)  
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Complementary Base Pairing   Adenine can only pair with thymine (A-T). Cytosine can only pair with guanine (C-G).  
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Disaccheride   two monosaccharides units joined. (carbohydrate). sucrose, lactose, maltose.  
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atomic number   total protons  
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atomic mass   total protons & neutrons  
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Prostaglandins are often referred to as   tissue hormones  
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When RNA is used by a cell to "grab" a specific amino acid and place it in the correct sequence when building a primary protein strand, it is then known   Transfer RNA (tRNA)  
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dehydration synthesis   converts smaller molecules into larger ones by removing water  
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Which type of chemical bond does not result in the formation of a new molecule?   Hydrogen bond  
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