Which of the following best describes the term titin?

Question

Quizplus · Accepted Answer

Titin is a giant protein that extends from the Z-disc to the M-line in striated muscles and is responsible for the elasticity of resting muscle.

Answer: B 
 The repeating unit of striated myofibrils is the sarcomere, which includes thin and thick filaments and titin plays a structural role in organizing the sarcomere.

Answer: C, D, and E are incorrect
 While the sarcomere includes thin and thick filaments (option D) and myosin molecules are part of the thick filaments (option E), titin is not involved in storing calcium ions (option C).

Which of the Following Best Describes the Term Titin