What Type of Mutation Creates a Stop Codon

question 182

Multiple Choice

What type of mutation creates a stop codon?

• A) A nonsense mutation
• B) A missense mutation
• C) A frame-shift mutation
• D) A reversion
• E) A stop mutation

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Definitions:

T-tubules

Tubular extensions of the plasma membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the transmission of electrical impulses.

Sarcolemma

The sarcolemma is the fine transparent tubular sheath that envelops the fibers of skeletal muscles.

Sarcoplasmic Reticulum

A specialized type of endoplasmic reticulum found in muscle cells, involved in the regulation of calcium ions to facilitate muscle contraction.

Sarcomere Contraction

The process by which muscle fibers contract, shortening the sarcomere, the basic unit of muscle fiber, thereby generating force.