The Purpose Is to Find Out the Difference of Consumption of Glucose During Aerobic Exercise and Anaerobic Exercise
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Lesson 9: Respiration Lab
The purpose is to find out the difference of consumption of glucose during aerobic exercise and anaerobic exercise.
I predict that more glucose is utilized during aerobic exercise compared to anaerobic exercise. This is because glucose will increase when there’s consistent respiration. I think this because aerobic exercise will consume a lot more glucose due to oxidative phosphorylation which makes ATP (energy). So, more reps will be completed under aerobic conditions. I think that stage 1 ,aerobic conditions, of the lab will have more reps than stage 2, anaerobic conditions,because there will be more energy available. In aerobic respiration there’s a continuous break down of sugar which allows more reps to be done unlike anaerobic respiration which will just use the energy it has and not produce more.
Aerobic exercise will be twice as powerful than anaerobic exercise
Two to three teaspoons of table sugar would be “burned”
2.5 kg mass
Meter stick/measuring tape
Piece of cloth/rope.
Place the mass or dumbbell on a desk
Grip the mass or dumbbell with your hand and place your arm flat on the desk with arm, hand, and dumbbell resting on the desktop.
Place a metre stick on the edge of the desk so that there is no movement. Have a partner hold a metre stick securely on the desk (Figure 1)
Lift the dumbbell by bending your arm at the elbow one time so that your partner can measure the vertical distance the dumbbell covers when it reaches its highest point. Measure the lowest point on one edge of the dumbbell before you lift it and the same edge of the dumbbell after the lift (Figure 2)
While you perform step 6, your partner will • note the time elapsed at the end of Stage 1 (Aerobic Exercise; exercise in which no muscular discomfort is felt) and again at the end of Stage 2 (Anaerobic Exercise; exercise in which you feel muscle soreness) • count the number of lifts in each stage • make sure you cover the full distance on each lift of the dumbbell
Lift the dumbbell repeatedly and quickly until your arm feels sore. Tell your partner to note the end of Stage 1 (Aerobic Exercise). Continue to lift the dumbbell repeatedly and quickly until you can no longer lift it anymore. Tell your partner to note the end of Stage 2.
Dumbbell Mass (kg)
1 i) Force = mass X acceleration
= 9.1kg X 9.81m/s^2
2 j) Energy Gravitational = mass X acceleration X height (distance)
= 9.1kg X 9.81m/s^2 X 0.35m
3) k) Work = Eg
= 31.24485J / lift
4) Stage 1
W (total) = W J/lift x n lifts
W (total) = 31.24485 x 42
W (total) = 1,312.2837 J
W (total) = W J/lift x n lifts
W (total) = 31.24485 x 108
W (total) = 3,374.4438 J
5) n) power during stage 1 = 1,312.283J/ 115 seconds
P= 11.4 W
0) power during stage 2 = 3,374.4438 J/ 303 seconds
P= 11.14 W
p) moles of ATP used during exercise (stage 1 and 2)
= 13390.65 J x (1kJ/1000J) x (1 mol of ATP/2870 KJ)
= 4.46 x 10^-3 mol of ATP