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bio 1210 chapter 1

TermDefinition
Five fundamental characteristics of living organisms -Require the use of energy -Have cells -Information -Replication -Evolution
Define theory. Give 2 theories that form modern biological sciences -Theory: is an explanation for a general class of observations that are supported by a wide body of evidence -2 theories: cell theory and theory of evolution by natural selection
Who were the two people to first observe cells in the late 1660s? Robert Hooke and Anton Van Leeuwenhoek
Define cell. What are its listed two qualities? The cell is a highly organized compartment. Two of its qualities are that it is bounded by a plasma membrane and it contains concentrated chemicals in an aqueous solution
What two ideas does cell theory state? -The pattern is made of cells. All organisms are made of cells -And a process is made of pre-existing cells. All cells come from pre-existing cells
List the four types of macromolecules -Polypeptides -Nucleic acids -Carbohydrates -Lipids
Define the polymer made of amino acids joined together by peptide bonds. Proteins
List the 6 functions of proteins. -Catalyst -Defense -Movement -Signaling -Structure -Transport
List the 3 uses of carbohydrates -Energy (glucose, fructose) -Storage (starch and glycogen) -Structure (peptidoglycan and cellulose)
Define lipids Membrane made of protein and phso[olipids which regulate in and out of a cell
Define Svedberg unit (S). What are the Svedberg units for the 3 major Domains of organisms? Unit S is used for the sedimentation rate or density, and the 3 major domains for this are Bacteria Archaea and Eukarya
Created by: valgon3333
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