ANSWERS WITH SOLUTIONS 2024
ListItheIcomponentsIandIgeneralIorderIofItheIscientificImethodI-IANSWERIMakeIobservations
FormIaIhypothesis
CreateIandIexperimentItoItestIyourIhypothesis
CollectIDataIandIObservations
AnalyzeIresultsItoImakeIaIconclusion
shareIyourIfindings
NullIHypothesisI-
IANSWERIstatesIthatIthereIisINOIdifferenceIbetweenIexperimentalIandIcontrolIgroupsI(proposedIcauseIbeingI
studiedIdoesn'tIcauseItheIexpectedIeffects)
AlternativeI(Working)IHypothesisI-IANSWERIthereIisIaIdifferenceIbetweenItreatmentIandIcontrolIgroups
IndependentI-IANSWERIvariableIthatIisImanipulatedIinItheIexperiment
DependentI-IANSWERIresponseIvariableI-ItheIoneIthatIisImeasuredIafter,IorIwhile,IanIexperimentIisIrun
ControlledIVariablesI-IANSWERIvariablesIthatIareIkeptItheIsameIduringItheIexperiment
ExperimentalIgroupI-
IANSWERIonlyIoneIvariableIisImanipulatedIinIsomeIway;ImultipleItreatmentIgroupsImayIexistIinIoneIexperim
entI(multipleIgroupsIofIplantsIgrownIinIdifferentItemperatures)
ControlIGroupI-
IANSWERIservesIasItheIstandardIofIcomparison;IreceivesInoItreatment,IorIisItheIstandardItreatment
ListIwaysIinIwhichIconfidenceIcanIbeIincreasedIforIexperimentalIconclusionsI-
IANSWERIReplication,Irandomization
, TTESTI-
IANSWERIhelpsIdetermineI"statisticallyIsignificant"IdifferencesIbetweenItwoIsetsIofIdata;IappliedItoItheInullI
hypothesis
StatisticalIsignificanceI-
IANSWERIimpliesIthatItheIresultsIofItheIexperimentIareIunlikelyItoIhaveIoccurredIifItheInullIhypothesisIisItrue
AboveI.05I-IANSWERIacceptInull,IrejectIworking
BelowI.05I-IANSWERIrejectInull,IacceptIworking
ListItheI4ImainItypesIofImoleculesIimportantIforIlifeI-
IANSWERICarbohydrates,Iproteins,Ilipids,IandInucleicIacids
CarbohydratesI-IANSWERIclassIofImoleculesIthatIoriginateIprimarilyIinIphotosynthesizingIorganisms
ProteinsI-IANSWERImadeIupIofIaminoIacids;IworkhorsesIofIourIcellsIatItheImolecularIlevel
LipidsI-
IANSWERImoleculesIareIusedIbyIyourIbodyIforIhormoneIsignaling,IcellImembranes,IprotectionIofIorgans,Iner
veIcellIfunction,IandIenergyIstorage
NucleicIAcidsI-IANSWERIaIcomplexIorganicIsubstanceIpresentIinIlivingIcells
MonomerI-IANSWERImonosaccharide
DimerI-IANSWERIdisaccharide
PolymerI-IANSWERIpolysaccharide
ProkaryoticI-IANSWERInoImembrane-boundIorganelles,InoInucleus,IhasIribosomes,ImostIareIunicellular