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The potential of a cell can decrease if the concentrations of the solutions are less than 1.0M.
N.B. The standard conditions for a galvanic cell involve the concentration of the solutions being 1.0M.
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Do cells have more proteins or carbohydrates?
Keeping in mind the potential-large-effect that different Cell types will have on this ratio, an over-all safe Answer is that they are both just about equal in concentration.
The fact that a cell has an electrical potential difference across its membrane makes that cell what?
The cell membrane is semi-permeable so that charged ions can not diffuse down or up a concentration cell into or out of the cell. There are cell bound proteins that transport charged ions like K+, Na+ and Ca2+ across the cell membrane and the net effect is that the cell is negatively charged ( about -70 mV) with respect to the extracellular space.
A resting potential is caused by a difference in the concentration of certain ions inside and outside the cell?
True
Is the The resting membrane potential is mainly determined by the concentration gradient of K plus inside the cell?
Yes
In diffiusion movement of particles across a membrane is drven by what differences?
In diffusion, the movement of particles across a membrane is driven by an electrochemical gradient-the ion's concentration gradient and the membrane potential. Substances will passively diffuse down their concentration gradient to where they are less concentrated. Since the inside of a cell is negative compared to its outside, the membrane potential will drive the passive transport of cations into the cell and anions out of the cell due to electrostatic attractions.
What effect will Raising the potassium ion concentration in the extracellular fluid surrounding a nerve cell have?
Both hyperpolarize it and decrease the magnitude of the potassium equilibrium potential.
Do cells have more proteins or carbohydrates?
Keeping in mind the potential-large-effect that different Cell types will have on this ratio, an over-all safe Answer is that they are both just about equal in concentration.
How does electrolyte imbalance effect emotions?
e imbalance leads to disturbances in electric potential of each and every cell including those of brain. so there is hypo or hyper functioning cell, brain edema etc which finally can cause emotional disturbances. eg hyponatremia.
The fact that a cell has an electrical potential difference across its membrane makes that cell what?
The cell membrane is semi-permeable so that charged ions can not diffuse down or up a concentration cell into or out of the cell. There are cell bound proteins that transport charged ions like K+, Na+ and Ca2+ across the cell membrane and the net effect is that the cell is negatively charged ( about -70 mV) with respect to the extracellular space.
A resting potential is caused by a difference in the concentration of certain ions inside and outside the cell?
True
Is resting potential caused by a difference in the concentration of certain ions inside and outside the cell?
True
Is the The resting membrane potential is mainly determined by the concentration gradient of K plus inside the cell?
Yes
What will likely result if the concentration of electrolytes inside a cell is higher than in the extracellular environment?
If the concentration of electrolytes inside a cell is higher than in the extracellular environment it is called hyperosmotic. The cells will loose water and shrivel.
Which description represents the effect of osmosis on a plant cell when the concentration of particles is greater inside the cell than outside?
If the concentration of solute is greater inside than outside the cell then the cell then water will rush into the cell to bind to the solute and the cell will swell. A hypotonic condition.
A wet cell is an electrochemical cell in which the electrolyte is a?
true
When osmosis do not occur?
Osmosis across the cell membrane doesn't occur when the concentration gradients, and therefore the water potential inside and outside of the cell are the same
What is the electrochemical gradient of an ion?
spatial variation of both electrical potential and chemical concentration across a membrane. Both components are often due to ion gradients, particularly proton gradients, and the result can be a type of potential energy available for work in a cell
