In cardiac muscle, the action potential is caused by opening of three types of channels

Voltage activated fast sodium channels 

L-type calcium channels (slow calcium channels or calcium-sodium channels)

Voltage activated potassium ion channels

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#Unit 8. Inheritance Biology

Specialized transduction Transduction in which genes near special sites on the bacterial chromosome are transferred from one bacterium to another.

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#Id: 3084

#Unit 3. Fundamental Processes

Anucleate cells of normal size are generated by partition mutants, in which the duplicate chromosomes fail to separate.

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#Id: 7341

#Unit 11. Evolution and Behavior

Inbreeding

Preferential mating between related individuals. Inbreeding is more likely to take place in nature when population size becomes very small, and the number of mates is limited.

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#Id: 6903

#Unit 8. Inheritance Biology

Chromosome Mutations

Chromosome rearrangements 

Aneuploidy

Polyploidy

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#Id: 9536

#Unit 11. Evolution and Behavior

Evolution

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time.