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Bio Lab 3 Lab Report 7 Cellular Respiration

A lab report covering experiments related to cellular respiration and metabolic processes.

Abigail Bennett
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Lab Report-Page1© Access Learning SystemsBioLab3Lab Report 7Cellular Respiration Lab ReportI.The ATP CycleComplete the chart below:LetterDefining TermAEnergy from food (input)BatpCEnergy for cells (output)DadpII.Anaerobic RespirationEXERCISE 1–Alcoholic fermentationAt intervals of 20, 40, and 60 minutes, the tubes are removed.Record the volume of gas produced ineach fermentation tube.Each tube is graduated in tenths of a milliliter.(HINT: Look at the amount ofgas, not the level of the liquid.)TubeSolutionGas Volume in ml after:20 min.40 min.60 min.110% glucose + yeast1.43.5521% starch + yeast0.5.531% starch + yeast + amylase.51.52.5•What gas accumulated in the calibrated portion of the fermentation tube?Hydrogen and carbon•What metabolic pathway is utilized by yeast cells?Anaerobic because fermintation took place without oxygen•Why was amylase added to the third test tube?Because amylayse enzyme catalyzes the reaction in starch that breaks down to glucose•Did respiration occur in the beaker containing yeast and starch?Why?No, because yeast need amylase to break starch downIII.Aerobic Respiration

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Biology

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