Lab Report 7 - Cell Respiration

Lab Report 7 - Cell Respiration - 1 INETLabReport7

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1   INET Lab Report 7 Cell Respiration Report Template Student:    Email :   Date:    I. The ATP Cycle II. Anaerobic Respiration EXERCISE 7.1  – Alcoholic fermentation 6. At intervals of 20, 40, and 60 minutes, remove the tubes and record the volume of gas produced in each fermentation  tube ( Table 7.1 ).  Each tube is graduated in ml. ( HINT: Look at the amount of gas, not the level of the liquid. ) Tube Solution Gas Volume in ml after: 20 min. 40 min. 60 min. 1 10% glucose + yeast 3 5 7 2 1% starch + yeast <1 <1 <1 3 1% starch + yeast + amylase <1 1 3 Table 7.1 Yeast fermentation What gas is accumulating in the calibrated portion of the fermentation tube? CO2 What metabolic pathway is utilized by yeast cells? Glucose – ethanol – co2- energy Why was amylase added to the third test tube? To contrast tube 2 which only containted starch and yeast. This tube was identical but with the amylase to break it  down .  Did respiration occur in the beaker containing yeast and starch?  Why? No because it was not broken down III. Aerobic Respiration © Access Learning Systems
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2   A. Carbon Dioxide Production EXERCISE 7.2  – Carbon dioxide production in germinating seeds 8. Record experimental results below. Bean Seeds 
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This note was uploaded on 03/07/2011 for the course BIOL 1408 taught by Professor Mason during the Fall '08 term at Dallas Colleges.

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Lab Report 7 - Cell Respiration - 1 INETLabReport7

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