Which of These Statements Does NOT Correctly Describe Cross Bridges

question 201

Multiple Choice

Which of these statements does NOT correctly 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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Definitions:

Neutrophils

A type of white blood cell that plays a crucial role in the body's immune response by engulfing and destroying pathogens.

Formed Elements

Cellular components of blood, including red blood cells, white blood cells, and platelets.

Plasma

The liquid component of blood, consisting of water, proteins, electrolytes, and other substances, serving as the medium for red and white blood cells and platelets.

Cytoplasm

The jelly-like material inside the cell membrane, excluding the nucleus, where most cellular activities occur.