Chapter 12 – Cell Biology

Chapter 12 – Cell Biology -...

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Chapter 12 – Cell Biology 13:40 Figure 12.29 Figure 12.31 Figure 12.32 use giant squid axon to study neural conductance action potential – unidirectional transient change in membrane potential can carry nerve impulse without weakening Voltage gated Na – open allowing Na to enter into cell – creating less negative Figure 12.33 Figure 12.34 Voltage gated Na channel can adopt at least 3 comformations closed inactivated open Figure 12.36 Figure 12.39 a) Figure 12.39 b) Figure 12.40 Figure 12.41 Figure 12.44
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sodium influx allows the depolarization to occur influx of Cl= tend to keep membrane polarized, decreasing the likelihood of firing an  action potential Table 12.3 know there are both ibitor and excitory repsonses based on the type of … know K+ leak channel… Chapter 15 Internal membranes create enclosed compartments and organelles – segregating  metabolic processes Figure 15.2
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Chapter 12 – Cell Biology -...

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