Cytological Examination of Resting and Contracted Muscle Provides Important Support

question 2

Multiple Choice

Cytological examination of resting and contracted muscle provides important support for our current model for how skeletal muscle contracts. This evidence includes the observation that during contraction the

• A)muscle fibers change color.
• B)Z lines move farther apart.
• C)microtubules disassemble.
• D)length of the thick and thin filaments change significantly.
• E)H zone becomes smaller.

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