In passive transport do molecules move up (towards a higher concentration of the molecules) or down ( towards an area with lower concentration of those molecules). Is this movement random or planned? When is a molecule in equilibrium inside & outside of the cell? Are molecules still in motion & moving across a plasma membrane when in a equilibrium?
In passive transport do molecules move up (towards a higher concentration of the molecules) or down ( towards an area with lower concentration of those molecules). Is this movement random or planned? When is a molecule in equilibrium inside & outside of the cell? Are molecules still in motion & moving across a plasma membrane when in a equilibrium?
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During active transport in the neuron, the outside of the cell is _________________ and the inside is _______________.
positive, negative |
more positive, less positive |
more negative, less negative |
negative, positive In active transport, _____________ provides the energy to move molecules against their concentration gradient.
|