Cells of the Sinoatrial Node __________ During the Pacemaker Potential

question 23

Multiple Choice

Cells of the sinoatrial node __________ during the pacemaker potential.

• A) depolarize fast
• B) depolarize slow
• C) repolarize slow
• D) repolarize fast
• E) depolarize slow and repolarize fast

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Definitions:

Allele Frequencies

The relative proportions of different alleles of a particular gene in a given population.

Dominant Allele

An allele that expresses its phenotypic effect even when heterozygous with a recessive allele.

Genotype

The genetic makeup of an organism, representing the combination of alleles inherited from its parents.

Phenotype

The assortment of detectable features in an individual, formed through the combination of their genetic material and the influence of environmental conditions.