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Which of the following is most accurate when discussing the sliding filament theory?
Which of the following is most accurate when discussing the
sliding filament theory?
1. Nerve impulse (action potential) arrives at the neuromuscular
junction triggering the release of the neurotransmitter acetycholine
2. Sodium binds to the protein troponin which is located on the actin
myofilament
3. When energy (ATP) is released, troponin slides over actin and the
muscle shortens
4. Actin heads bend (cross bridge) to attached to the exposed binding
sites on the myosin myofilament
Show Answers
System which regulates and controls growth development and metabolism is Endocrine system. This system completes its tasks through a network of
glands, which are small but very important organs that generate, store,
and secrete hormones. It secrete hormones directly into the bloodstream internally.
I hope it helped.