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The myosin heads have a binding site for _______ and _________ .

What methods are used to remove cytosolic calcium in smooth muscle relaxation?

Why does temporal summation result in an increase in the force of muscle contraction?

List four types of stimuli that can be used to stimulate smooth muscle contraction.

Identify two regions of the sarcomere that narrow during contraction:  _________ and __________ .

Provide an example of an isotonic contraction and an isometric contraction.  (Be sure to indicate which one is which.)

Identify the labeled structures in the image below.  Be sure to respond in the order A, B, C, D.  

Pick all that apply to graded smooth muscle contractions.

b. For InputA = InputB = 5 V  (both inputs ‘high’), what is the output voltage (in unit V)?

a. Which transistors are P-channel MOSFETs? (select all that apply)