Membrane ion channels that play important roles in generation of the action potential:

T (transient) channels 

L (long-lasting) channels Voltage gated potassium ion channel

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#Unit 4. Cell Communication and Cell Signaling

In the basal state, 

GAPs inhibit RalA and Rab10 function by enhancing their rates of GTP hydrolysis

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#Unit 8. Inheritance Biology

Nondisjunction Failure of homologous chromosomes or sister chromatids to separate in meiosis or mitosis.

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#Unit 4. Cell Communication and Cell Signaling

Myosin I

single head domain

Function- Membrane association, endocytosis

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#Unit 8. Inheritance Biology

Genomic imprinting 

Differential expression of a gene that depends on the sex of the parent that transmitted the gene.

 

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#Unit 2. Cellular Organization

Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.