Biological Macromolecules Experiment...

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ology124LFall2014
LabReport1:BiologicalMacromolecules
1.Whatisthecentralquestionyouaddressedintheexperimentthatyouconductedwithyour
groupsexperimentalsubstanceduringthislab?(1pt)
2.Listthefourmacromoleculetestsusedinthislabanddescribewhatapositiveresultlooks
like.Foreachtest,whichcontrolsubstance(s)shouldresultinapositivetest?
3.Whichcontrolsubstance(s)shouldproduceanegativeresultforallfourmacromolecule
tests?(1pt)
4.Explainwhyyouraneachmacromoleculetestonfourcontrolsubstances(glucose,starch
oil,andprotein)first,beforetestingyourgroupsassignedexperimentalsubstance.(1pt)
5.Nameyourgroupsexperimentalsubstance.Writethehypothesesandpredictionsforeach
ofthefourmacromoleculeteststhatyouconductedonthissubstance.(1pt)
6.Describetheexperimentyouconductedwithyourgroupsexperimentalsubstance.Youdo
notneedtolistproceduraldetails,butstatewhichmacromoleculetestsyouperformed,and
describetheinitialandfinalcolorofsubstancesinthetesttubes.(1pt)
7.Foreachofthefourtests,werethetestresultsforyourgroup'sexperimentalsubstancepositive
ornegative?Foreachhypothesisregardingtheexperimentalsubstance,describetheevidencefor
whyyourhypothesiswassupportedornotsupported.(1pt)
8.Whatarepossiblesourcesoferrorthatcouldhaveaffectedyourresults?Howcouldyou
reducetheleveloferrorifyourepeatedyourexperiments?(1pt)
9.Howmighttheseexperimentalmethodsbeappliedtoaddressaquestioninthehealthor
environmentalsciences?(1pt)
10.Belowaretheresultsfromamacromoleculetestperformedonseveralsubstances.Review
theresults.Whichmacromoleculetestwasbeingperformed?Whatconclusionscanbedrawn
abouttheexperimentalsubstancefromtheseresults?(1pt)
MaterialTested
Color(initial)
Color(final)
Protein
blue
darkpurple
Water
lightblue
lightblue
Oil(lipid)
lightblue(separated)
lightblue(separated)
Glucose(sugar)
lightblue
lightblue
Starch(polysaccharide)
lightblue(cloudy)
lightblue(cloudy)
Experimentalsubstance(beefsoup)
blue
lightpurple
Biology124LFall2014
LabReport1:BiologicalMacromolecules:AnswerSheet
Pleaseturninonlythisanswersheettoyourlabinstructor.Ifyouranswersgobeyond1page
pleaseprintthepagesdoublesided.
DueDate:ThebeginningofyourscheduledlabsectionduringtheweekofSeptember2 nd.
Name:_________________________________________Section
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Solution ID:351017 | This paper was updated on 26-Nov-2015

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