Refer to the Following Graph of an Action Potential to Answer

question 15

Multiple Choice

Refer to the following graph of an action potential to answer the question.

The membrane potential is closest to the equilibrium potential for potassium at label ________.

• A) A
• B) B
• C) C
• D) D

---

Definitions:

Dizygotic Twins

Also known as fraternal twins, are siblings born at the same time but developed from separate eggs fertilized by separate sperm.

Phenotype

The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.

Genotype

The genetic constitution of an individual organism, often contrasting with its physically expressed traits.

Heterozygous Condition

A genetic condition where an individual has two different alleles at a specific locus, leading to variation in genetic traits.