Calcium Ions Regulate Contraction of Smooth Muscle Cells by Binding

question 24

Multiple Choice

Calcium ions regulate contraction of smooth muscle cells by binding to

• A) troponin.
• B) tropomyosin.
• C) actin.
• D) myosin.
• E) calmodulin.

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Definitions:

Influential Text

A written work that has significant impact on the thinking or behavior of individuals or society as a whole.

Genetic Drift

A mechanism of evolution that refers to random changes in the frequency of alleles within a population over time.

Random Chance

The occurrence of events without a determinable cause, often affecting genetic variations and evolutionary processes in organisms.

Natural Selection

A process in evolutionary biology where organisms with traits better adapted to the environment have higher survival rates and reproductive success, leading to the accumulation of beneficial traits in a population over generations.