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Does an action potential involve the outflux of negative ions to deploarize the membrane?
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Does action potential involve the influx of negative ions to depolarize the membrane?
No. The negative ions stay within the cell (neuron).An action potential begins (rising phase) with an influx of sodium, a positive ion or cation. The rising phase ends (falling phase) with an efflux of positive ions (potassium). The membrane potential is stabilized again with the action of the ATP dependent sodium-potassium pump.
What is a mechanism functioning to maintain a stable internal environment is most likely to involve?
negative feedback
Effect of concentration of electrolyte on cell potential?
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.
Which structures join with the cell's membrane during exoctosis?
In exocytosis a vesicle docks and fuses with the plasma membrane with the aid of a group of proteins called SNARE complexes.This will involve a specific SNARE complex on the vesicle side (called a v-SNARE) binding to a specific SNARE complex on the plasma membrane itself.
What helps molecules diffuse across membrane through transport proteins?
A process known as passive transport helps molecules to diffuse across a membrane. Passive transport does not involve the use of chemical energy, unlike active transport does.
Does action potential involve the influx of negative ions to depolarize the membrane?
No. The negative ions stay within the cell (neuron).An action potential begins (rising phase) with an influx of sodium, a positive ion or cation. The rising phase ends (falling phase) with an efflux of positive ions (potassium). The membrane potential is stabilized again with the action of the ATP dependent sodium-potassium pump.
What are the implications of job change?
Job change can have both positive and negative implications. Positives include potential for career growth, increased salary, and expanded network. Negative implications may involve uncertainty, adjusting to a new work environment, and potential challenges in building new relationships.
Does potential energy involve position?
There are several different varieties of potential energy, some of which involve position and some of which don't. Gravitational potential energy involves position. High objects have the potential to fall.
Pinocytosis and phagocytosis involve structural changes in the?
Plasma Membrane
Does direct gene activation involve a second-messenger system?
No, it diffused throught the membrane.
Does negative pressure breathing involve pushing or forcing air into the lungs?
no
Does division and multiplication involve negatives?
Not by necessity, but multiplication and division aredefined for negative numbers.
What is the function of the free ribosomes?
Free ribosomes, present in the cytoplasm, make proteins that remain in the cytosol, cytosolic proteins. Whereas membrane bound ribosomes (on Rough ER) make membrane proteins and secretory proteins etc. Hope this helps.
Ionic compounds usually involve?
electrostatic force of attraction between the positive and negative ions
What is a mechanism functioning to maintain a stable internal environment is most likely to involve?
negative feedback
What are IQ points?
potential of understanding of knowledge that DOES NOT involve your prior knowledge scaled with a number. the average IQ is 100.
What reactions occur in the cristae of the mitochondria?
The reactions that occur in the cristae of the mitochondria involve the electron transport chain. It is embedded on the inner membrane of the mitochondria.
