The correct answer is that "t<span>roponin holds the tropomyosin in place on the actin".
In excitation-contraction coupling, tropomyosin prevents the interaction between actin and myosin in resting muscles. In the event of excitation, there is release of calcium from the sarcoplasmic reticulum wherein the troponin will bind this calcium and will release tropomyosin and expose myosin enabling it to attach to actin and therefore facilitating muscle contraction.</span>
Splash large amounts of water to dilute the spill. Stand back and advise the teacher of the spill. Immediately ask to go to the restroom.
Normally, it would take approximately 59 minutes to burn off a slice of peperoni pizza. Most of us walk roughly three miles per hour. So, to burn the calories found in just one slice of peperoni pizza, we have to walk about three miles. Therefore, to burn off 4 slices of peperoni pizza, we need to walk approximately 12 miles.
Answer:
The answer is G
Explanation:
This is because cells cannot just appear out of thin air all cells have to have come from pre-existing cells.
