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Are Excitable cells like neurons are more permeable to sodium than to potassium?
More permeable to K than Na
Through the membrane of a resting neuron highly permeable to potassium ions its membrane potential does not exactly match the equilibrium potential for potassium because the neuronal membrane is?
Slightly permeable to sodium ions.
Is the membrane of neurons very permeable to Na when at rest?
the same as that to potassium
Where is potassium reabsorbed and secreted?
The absorption of sodium affects the secretion of potassium by making it more difficult for the potassium to be permeable by blocking the areas it travels through.
If the axolemma becomes more permeable to potassium ion?
a stronger stimulus will be required to cause an action potential
Are Excitable cells like neurons are more permeable to sodium than to potassium?
More permeable to K than Na
Through the membrane of a resting neuron highly permeable to potassium ions its membrane potential does not exactly match the equilibrium potential for potassium because the neuronal membrane is?
Slightly permeable to sodium ions.
When is a neurolemma more permeable to potassium than sodium?
during depolarization
Is the membrane of neurons very permeable to Na when at rest?
the same as that to potassium
Where is potassium reabsorbed and secreted?
The absorption of sodium affects the secretion of potassium by making it more difficult for the potassium to be permeable by blocking the areas it travels through.
When a nerve is activated by a threshold stimulus the membrane becomes more permeable to?
Potassium and Sodium
If the axolemma becomes more permeable to potassium ion?
a stronger stimulus will be required to cause an action potential
If the pacemaker cells in the SA node become more permeable to potassium ions the?
Both the heart rate will decrease and the membrane will hyperpolarize
Why did the potassium permanganate crystals start to dissolve in water without being stirred?
because the substance in the potassium permanganate crystals are permeable to water, so that means it will dissolve instantly while poured into water Save
Why is The plasma membrane is much more permeable to K than to Na?
Even when both those atoms are encapsulated with water, potassium is smaller than sodium.
Is a cell membrane permeable impermeable or partially permeable?
Plasma membranes are selectively permeable.
Is cell wall is a permeable membrane?
it is not selective permeable. - Cell membranes are selective permeable. Cell walls are fully permeable - which means that it allows all substances/molecules to pass in and out of the cell. It is located outside of the membrane.
