Ch. 10 Review

What is incorrect concerning the sarcomere?

• It's made of the proteins: actin and myosin

• It is the functional unit of muscle

• A band comprises of both filaments, I band only thin, and H zone only thick filaments

• All of these are correct

What neurotransmitter is used for excitation-contraction? Spell out the entire neurotransmitter.

What makes the neurotransmitter to be released? Use a single word for this answer.

What happens after the neurotransmitter is released?

What is incorrect concerning the sliding filament mechanism?

• Calcium binds to troponin to allow myosin and actin to bind

• ATP is hydrolyzes on the myosin head

• Sarcomeres shorten as contraction occurs

• All of these are correct

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