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BIO - Photosynthesis & Respiration Hands-On Labs,Inc.

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Question;Photosynthesis &RespirationHands-OnLabs,Inc.Version42-0102-00-01 LabRepoRtassistant Thisdocumentisnotmeanttobeasubstituteforaformallaboratoryreport.TheLabReport Assistantissimplyasummaryoftheexperiment?squestions,diagramsifneeded,anddatatables thatshouldbeaddressedinaformallabreport.Theintentistofacilitatestudents?writingoflabreportsby providing this informationin an editable filewhichcan be sentto an instructor.obseRvations DataTable 1: PhotosyntheticRatesRateDistance(mm)SolutionstartingmeasurementNet photosynthesis0mmRespiration1.5mmGross photosynthesis (net photosynthesis +respiration)1.5Rate of photosynthesis(gross photosynthesis / 10 min)0.15Bag mass 4.8 g + 1.5 g NaHCO3 = 6.3 Final mass(g)DataTable 2:Respiration ResultsExperimentalConditionsStartingdistance(mm)Final distance(mm)Change in movement(mm)Time(min)WithElodeaWithoutElodeaQuestions Exercise 1:PhotosynthesisPartIA.What molecules did the plant produce whenexposedto light?B.The plant was exposed to oxygenC.Whatresourceswereconsumedto produce the molecule?D.C. What part did light play in thereaction?The light increased the distance the water moved by using the light the water converted into carbon dioxide.D.What moleculewasconsumedby the plant while itwas in the dark? E. What moleculewas producedby the plant while itwas in the dark?F. Where did the moleculesgo thatwere produced in the dark?G.What criticalservice do plants provide humans?H.Would animal life onEarth be possible without plants?I. Would any life onEarth be possible without sunlight?Exercise 2:PhotosynthesisPartIIA.WhenyoublewthroughthestrawintotheBromothymolbluesolution,whatgasdidyouadd? Whatcolor change didyou observe in the solutionand why?B. Whatcolorchangeoccurredafteryouplacedtheplantintotherespirometerandturnedon the light?C. Whatwas happening when the solutionin the horizontal tubingstartedto move?D.How long did ittake thecolor changeto occurafterthe solutionstartedto move? E. Why did thecolor change?F. Whenyourepeatedtheexperimentwithoutaplantintherespirometer,whathappenedand why?

 

Paper#62823 | Written in 18-Jul-2015

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