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Enzymes and Movement of Substances › ViewAt what temperature is enzyme activity in a human at its best/highest?
A. 25°C
B. 37°C
C. 50°C
D. 70°C
Muscle Anatomy › View
Why are calcium ions necessary for skeletal muscle contraction?
A. Calcium ions cause ATP binding to actin.
B. Calcium ions release the inhibition on Z discs.
C. Calcium ions trigger the binding of myosin heads to actin filaments.
D. Calcium ions increase the speed of the action potential transmitted along the sarcolemma.