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How are the actions of sodium ions and neurotransmitters different?
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Why does sodium metal and sodium chloride behave different?
Sodium chloride contains sodium ions, not metallic sodium. Hence they show different chemical properties and behaviour.
How many sodium ions there in 85g of sodium oxide Na2O?
The number of sodium ions is 16,518.10e23.
How does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions?
Attraction between water molecules and sodium and chloride ions OSS less than the attraction between sodium ions and chloride ions.
What types of ions are presented in salt?
In a slat positive ions and negative ions. In common salt, sodium chloride, sodium ions, Na+ and chloride ions Cl-
How many ions does sodium have?
All sodium atoms, whether or not they are ions have 11 protons.
Binding of the neurotransmitters with muscle membrane to become permeable to sodium and sodium ions is?
synapses
What is the presynaptic neuron release neurotransmitters in response to an influx of?
Sodium ions
Binding of the neurotransmitters with muscle membrane receptors causes the membrane to become permeable to sodium resulting in the influx of sodium ions an what of the membrane?
depolarization
When hinding of the neurotransmitters with muscle membrane receptors causes the membrane to become permeable to sodium resulting in the influx of sodium ions and what membrane?
action potential of the sarcolemma(the membrane)
Are neourotransmiters calcium ions?
No. Calcium plays a role in making neurotransmitters cross a synapse. The neurotransmitters themselves are organic molecules, not ions.
The drug caffeine stimulates the activity in the central nervous system by?
Interfering with the actions of sodium ions
Why does sodium metal and sodium chloride behave different?
Sodium chloride contains sodium ions, not metallic sodium. Hence they show different chemical properties and behaviour.
What causes secretion of neurotransmitters?
Calcium ions
What transfers the nerve impulse from one neuron to another cell at the synapse?
When the sodium ions that entered the cell through the ion channels diffuse into the axon terminal of the neuron, they activate voltage-gated calcium ion channels. As calcium ions flow into the cell, neurotransmitters are released from the cell. These neurotransmitters diffuse across the synapse and activate sodium ion channels in the post-synaptic cell, allowing sodium to flow in and depolarize the cell enough to start another action potential.
How a neuron fires?
Please see related links below.
What's the direction sodium ions are pumped?
Sodium ions and potassium ions are pumped in opposite directions. Sodium ions are pumped out of the cell and potassium ions are pumped into the cell.
Which ions are exchanged in a sodium potassium pump?
3 sodium ions for 2 potassium ions.
