If Myosin Head Groups Were Unable to Hydrolyze ATP Due

question 3

Multiple Choice

If myosin head groups were unable to hydrolyze ATP due to an alteration in the protein structure but could still bind and release ADP and inorganic phosphate (P_i) , which step in the actin-myosin cycle would NOT take place?

• A) dissociation of the myosin head group from the actin filament
• B) repositioning of the myosin head group on the actin filament
• C) attachment of the myosin head group to the actin filament
• D) the "power stroke" conformational change in the myosin head group
• E) the conformational change in the myosin head group in the presence of Ca²⁺

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Definitions:

Blood Type

The classification of human blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells.

Lymphoid Tissue

A type of connective tissue that includes lymphocytes, aiding in the immune response by fighting off infections.

Lymphocytes

A type of white blood cell that is part of the immune system, involved in protecting the body from infectious disease and foreign invaders.

White Blood Cells

Immune system cells that play a crucial role in defending the body from infectious diseases and external threats.