Substrate level phosphorylation : a. doesent occur in krebs cycle
b. use p attached to organic to convert ADP to p
c. happens in electron transport chain
d. happens using ATP synthase
e. produce NADH but not FADH2

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.