Question;Photosynthesis & Respiration;Hands-OnLabs,Inc.;Version 42-0102-00-01;Lab Report;Assistant;Thisdocumentisnotmeanttobeasubstitute foraformallaboratoryreport.TheLabReport Assistantissimplyasummaryoftheexperiment?squestions,diagramsifneeded,anddatatables;that;shouldbeaddressedinaformallabreport.;Theintentistofacilitatestudents?writing;oflab reports by providing;this informationin an editable;filewhich can be sent to an instructor.;Observations;Data;Table 1: PhotosyntheticRates;Rate;Distance;(mm);Solutionstarting;measurement;Net;photosynthesis;Respiration;Gross photosynthesis;(net photosynthesis + respiration);Rate;of photosynthesis (gross;photosynthesis / 10 min);Bag mass g + 1.5 g NaHCO3 = Final mass (g);Data;Table 2: Respiration;Results;Experimental;Conditions;Startingdistance;(mm);Final distance;(mm);Change in movement;(mm);Time;(min);WithElodea;WithoutElodea;Questions;Exercise;1:PhotosynthesisPartI;A. What molecules did the plant produce;when exposed to light? B. What;resources were consumed;to produce;the molecule?;C. What;part did light play in the reaction?;D. What molecule was consumed by the plant while it was in the;dark? E. What molecule was produced by;the plant while it was in the dark? F. Where did the molecules go that;were;produced in the dark?;G. What criticalservice;do plants provide humans?;H. Would animal life on Earth be;possible without plants?;I. Would;any life on Earth be possible;without sunlight?;Exercise;2:PhotosynthesisPartII;A. When;youblewthroughthestrawintotheBromothymolbluesolution,whatgasdidyouadd?;What color change did you observe;in the solutionand why?;B. Whatcolorchangeoccurredafteryouplacedtheplantintotherespirometerandturnedon the light?;C. What was;happening when the solutionin the;horizontal tubing started to;move?;D. How;long did it take the color change to;occur afterthe solutionstarted;to move? E.;Why;did the color change?;F. Whenyourepeatedtheexperimentwithoutaplantintherespirometer,whathappenedand why?
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