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Bio 210

Chp. 1,2&3

QuestionAnswer
Anatomy The study of structure
Physiology The study of function
Histology The study of tissues
Homeostasis Ability to maintain a relatively constant enviroment
Metabolism Sum of all chemical reactions in the body
Anabolism Building bonds
Catabolism Decompostion of bonds
Biochemistry The study of chemical composition and reactions of living matter
Positive Feedback The product or response enhances or exaggerates the original stimulus
Negative Feeback The product or response that shuts off or reduces the level of the original stimulus
pH Measurement of H+ Ions in a solution
Buffer Minimizes the flucation of the ph in a solution
Atomic Number # of protons
Atomic Weight Mass of protons and neutrons
Enzyme Proteins that act as catalyst
Base Accepts H+ ions in a solution
Nucelic Acids Building Blocks of nucleotides
Fatty Acid Linear chain or carbon and hydrogen with an organin acid group at one end. Major building blocks of lipids.
Monosaccride Simple sugar,major building block of carbs. EX: hexose, glucose, fructose and galcatose
Disaccharides Two sugars covalently bonded. Glucose + Glucose = Maltose Glucose + Fructose = Sucrose Glucose + Galtactose = Lactose
Polysaccrides Many sugars
Ionic Bond Transfer of electrons from one atom to another
Covalent Bond Shared elctrons between two atoms. Strongest
Hydrogen Bond Bond between a slightly negative atom of one molecule and a slightly positive hydrogen. Occurs when a H atom is attracted to another atom. Weakest Bond. Usually with dipoles like H20
Acid Donates hydrogen ions in a solution
Neutrons Subatomic particle that is neutral and weighs 1 amu.
Glycerol Modified simple sugar and building block of triglycerides.
Anion Negatively charged ion
Cation Positively charged ion
Proton Subatomic particle that is postive
Electron Subatomic particle that is negative
Organic Contains carbon
Inorganic All other chemicals
Created by: 01_amanda
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