1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 4.5 5.5 pH Figure 2. Effect of pH on hydration of myofibrils. Average weight (®)

Explain how the overall three-dimensional shape of myoglobin allows it to function as an oxygen-storage molecule

Calculate the relative V̇O2 of a 80 kg person cycling 80 RPM with a resistance of 10 kg, then answer the following questions: Do you think the work rate values are attainable? If your answer is “no”, give a short explanation of why you believe this. If the answer to the previous question was yes, do you believe you would attain a steady state of oxygen consumption? Explain your answer.

0.75/ Question 20 What is the difference between treppe and tetany? Mark ALL that apply. there is no summation in tetany there is no summation in treppe the contractions successively increase giving a "staircase" image treppe goes away after muscle is fully warmed up treppe is caused by gradual warming of an unstimulated muscle thus increasing diffusion of ions and protein movement needed to cause contractions.