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biomed 3.1 and 3.2

Atom The smallest piece of an element that can exist either alone or in combination
calorie The amount of heat energy required to raise the temperature of 1g of water 1degree celsius; or the enrgy released as one gram cools by one degreeC; the food calorie (C) is actually a kilocalorie
chemical bond an attractive force that holds together atoms, molecules, or ions.
Compound a substance consisting of 2 or more elements in a fixed ratio
Covalent bond Type of chem bond where 2 or more atoms share e-
element /the smallest part of a substance that contains all the properties of the substance, and is composed of one or more atoms
homeostasis the stead-state psychological condition of the body
hydrogen bond a weak chem bond between the polar ends of two polar molecules
ionic bond a chem bond resulting from two oppositely charged ions
Molecule two or atoms held together through covalent bonds
nutrient a substance that is needed by the body to maintain life/health
Polarity A lack of electrical symmetry in a molecule. charge difference on opposite ends of a molecule
Solute substance that is dossolved in a solution
Solvent Substance that dissolves the solute in a solution
Solution A liquid that is a homogeneous mixture of two or more substances
Adenosine Triphosphate (ATP) compound made of an adenosine and three phosphates, supplies energy for many biochemical processes by undergoing enzymatic hydrolosis
Amino acid An organic monomer which serves as a building block of proteins
Carbohydrate a sugar iin the form of a monosaccharide, diasaccharideor a polysaccharide
chemilcal indicator a substance used to vshow visually usually by its capacity to color change , the condition of a solution with respect to the presence of free acid or alkali or some other substance
Dehydration Synthesis reaction where two molecules bond together, ut lose a water molecule
Diasaccharide a double sugar molecule, two monosaccharides bonded by dehydration synthesis
electrolyte any of the ions that in a biological fluid relegate or affect most biological processes
glucose monomer of a carbohydrate, a simple sugear
hydrolosis A chemical process that splits a molecule by adding water
Lipid One of a family of compounds including; fats, phospholipids and steroids that are soluble in water
macromolecule a type of giant molecule formed by joining smaller molecules which include proteins, polysaccharides, lipids, and nucleur acids
monomer the subunit that serves as the building block of a polymer.
Monosaccharide a single sugar molecule such as glucose or gructose, the simplest of sugars.
polymer a larger molecule consisting of many repeating chemical units or molecules linked together
polysaccharide a polymer of thousands of simple sugars formed by dehydration synthesis
protein a three dimensional polymer made of monomers of amino acids
Created by: Aus