Which of the following best describes the term titin?

A) substance that accounts for elasticity of resting muscle
B) repeating unit of striated myofibrils
C) storage site for calcium ions
D) where thin filaments are anchored
E) largely made of myosin molecules


Answer: A

Anatomy & Physiology

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A) steroid hormones B) anabolic steroids C) peptide hormones D) all of the above E) none of the above

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