Bio 101 Final Study Guide Cheat Sheet

Bio 101 Final Study Guide Cheat Sheet - Exam I -Organ...

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Exam I - Organ system : two or more organs whose separate function are integrated to perform a specific task. - buffer : a substance that can act as a weak acid or a weak base. - population : a group of individuals of the same species in a particular place at a particular time. - neutron : subatomic particle having a neutral charge. - tissue : a group of cells that work together to carry out a particular function. - pH scale : used to measure H+ concentration of fluids. - organ : one or more tissues interacting as a unit. - electron : subatomic particle having a negative charge. - proton : subatomic particle having a positive charge. - atomic number : the number of protons found in the nucleus of an atom. - isotope : atom having more or fewer neutrons found in the nucleus of an atom. - base : a substance that accepts H+ when dissolved in water. - atom : smallest unit that retains the property of a given element. - atomic mass: the number of protons and neutrons found in the nucleus of an atom. - molecule : a combination of two or more atoms of the same or different element. - acid : a substance that donates H+ when dissolved in water. - community : all the living organisms interacting in a given area. - H +: hydrogen ion or proton. - OH -: hydroxide ion. - cell : the smallest structural function unit of life capable of performing all the characteristics of life. -Species, Genus, Family, Order, Class, Phylum, Kingdom. - organization : biosphere, ecosystem, population, organism, system, organ, tissue, cell, molecule, atom - evolution by artificial : takes place under manipulated conditions. - experimental group : group that receives the variable being tested. - control group : group that receives the placebo. - evolution : the genetic change in a population over time. - characters of life : complexity, metabolism, growth and reproduction. - scientific method : law is highest. -After eating a meal your body cells are busy building macromolecules from the basic units of organic molecules you consumed. What type of chemical rxn is taking place? Dehydration -the ability a cell has to maintain its internal environment within a narrow range of pH, temperature, and glucose levels is an example of Homeostasis. -K + &CL - form Calcium Brominde (KCL) is an ionic bond -S -3 has an atomic #16; it has 19 electrons - peptide bond : a chemical bond between a carboxyl end of one amino acid and the amino end of another amino acid. - covalent bond holds atoms of an individual water molecule. -O2 is held together by a non - polar covalent bond - hydrogen bond : an electrochemical attractive force that involves a hydrogen atom already polar covalently bonded to an oxygen atom and the electronegative end of another polar molecule. -
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This note was uploaded on 02/09/2010 for the course BIOL 101 taught by Professor Staff during the Spring '08 term at Spokane Falls Community College.

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Bio 101 Final Study Guide Cheat Sheet - Exam I -Organ...

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