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The short answer is residual calcium. Calcium mediates both transmitter release on the presynaptic side of the neuromuscular junction (where nerve meets muscle spindle) and calcium also mediates binding of the actin-myosin bridges that cause muscle contraction.
Here is a good source http://www.answers.com/neuromuscular+junction
The longer answer is much more interesting but takes some technical background. For a starters try a neurobiology textbook.
What else can I help you with?
Is a second order consumer a carnivore?
Yes, a second order consumer is typically a carnivore. Second order consumers feed on herbivores, which in turn feed on plants. This places them higher in the food chain and indicates that they primarily consume animal matter.
When compared with the energy of an electron in th first shell of a carbon atom the energy of an electron in the second shell of a carbon atom is?
The energy of an electron in the second shell of a carbon atom is higher than in the first shell because electrons in shells that are further from the nucleus have higher energy levels. This is due to the increased distance from the positively charged nucleus in the atom, which decreases the electrostatic attraction between the nucleus and the electron.
How do you change your monitor?
Does the monitor want to change? They say, "Change comes from within!" First, unplug the unwanted monitor from the wall. Then, remove the data cord from the back of your computer. You may need to twist two screws counter-clockwise to release them. Carefully move the monitor out of the way. Now follow these instructions in reverse to install the new device. In rare situations, you may need to install software called "drivers" that should have been packed with your monitor on a CD. This is extremely unlikely, but worth mentioning. Have fun!
How are first and second law of motion alike?
The first and second law are f=ma. The first law is where f or a is zero . The second law says f-ma where f or a is not zero.
Are penguins likely to be listed second in a food chain?
Type your answer here...Penguins would likely be third in a food chain. First would be algea, second would be fish and then penguins, However if your chain is starting with fish, then yes penguins would be second.
A muscle is stimulated and exhibits a contraction twitch Before this twitch is over it is stimulated again and a second twitch occurs piggyback on the first one and causes a higher contraction?
summation
Before installing a second monitor why is it important to know whether your existing configuration is working correctly?
Because the configuration on the first monitor has to be working correctly in order for the second monitor to work correctly. Also, so you can see what you are configuring on the first monitor.
Is green a prime color?
Depends. On a TV monitor it is. On a canvas it's not. (first is additive colors, second is subtractive)
Is first soprano higher than second soprano?
1st soprano is higher than 2nd soprano.
How does the first computer monitor looks?
how is the first computer monitor
What is the answer to the analogy won't is to contraction as understand is to what?
The answer is "isn't to." The first word in the analogy (won't) is a contraction of "will not", just like "isn't" is a contraction of "is not."
What is a contraction word for the word can?
The word can makes up the first part of the contraction can't (can not).
Who may be eligible for second mortgage lenders in the UK?
Anyone with good credit history and with active first mortgage may be eligible for a second mortgage lenders in the UK. The second mortgage interest rate is generally higher than the first mortgage as the risk levels are higher.
Which electron in oxygen have the higher energy those in the first energy level or those in the second?
The second level is associated with higher energy than the first is. Keep increasing the energy of an electron enough, and eventually it breaks free of the atom completely.
When was monitor first developed?
The warship Monitor was developed in 1862
What is the difference between first and second chair for wind instruments?
Most would say first best and second best. Another way they differ is first often plays the higher notes, second lower notes, occasionally first is more associated with melody and second with harmony or secondary melodies.
Does a second mortgage in the UK typically come with a higher or lower interest rate than the first mortgage?
A second mortgage in the United Kingdom typically comes with a higher interest rate than the first mortgage. This is because the lien is considered to be less secure.
