Which of These Statements Does NOT Describe Cross Bridges

question 148

Multiple Choice

Which of these statements does NOT describe cross bridges

• A)They are formed by the globular heads of the myosin molecules as they protrude from the thick filaments.
• B)They bind to actin during muscle contraction.
• C)They are not found in the I band.
• D)They bind with troponin and tropomyosin during muscle contraction to pull them away from the actin helical chain.

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