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Cellular Respiration Tested by Balloon Inflation Lab

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Cellular Respiration Tested by Balloon Inflation Lab
Testing for Cellular Respiration by Balloon Inflation
Experiment Number 2

Abstract: Through a timed test it was discovered which substance A or substance B contained glucose and when combined with yeast results in respiration; it was found that substance A contained glucose and resulted in respiration when combined with yeast. At 0 minutes all four balloon’s circumference was 9 centimeters; substance B and salt remained the same circumference, 9 centimeters, for all 18 minutes. At 3 minutes substance A and sugar’s balloons circumference was 11 centimeters, at 6 minutes substance A and sugar’s balloon circumference was 12 centimeters, at 9 minutes substance A and sugar’s balloon circumference was 13 centimeters, at 12 minutes substance A’s balloon circumference was 15 centimeters and sugar’s balloon circumference was 14 centimeters, at 15 minutes substance A’s balloon circumference was 15 centimeters and sugar’s balloon circumference was 14.5 centimeters , at 18 minutes substance A’s balloon circumference was 16 centimeters and sugar’s balloon circumference was 14 centimeters. The total growth in balloon circumference for substance A was 7 centimeters, for substance B and salt the growth was 0 centimeters, and for sugar the total growth was 5.5 centimeters.
Apparatus:
Theory: The first step of cellular respiration is glycolysis. In glycolysis one phosphate molecule from one ATP and another phosphate molecule from another ATP break off each ATP and join the same six carbon sugar diphosphate. The two left over ATP become ADP because they lost a phosphate molecule. Next the six carbon sugar diphosphate split into two three carbon sugar phosphates. Lastly, two NAD+ turns into NADH which rearranges the way the electrons are carried. This causes the two phosphate molecules to break off of the 3 carbon sugar phosphates and join the four ADPs turning the ADPs into ATP again. Since the two phosphate molecules left the 3 carbon sugar
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