In Hemoglobin, the Transition from T State to R State

question 76

Multiple Choice

In hemoglobin, the transition from T state to R state (low to high affinity) is triggered by:

• A) Fe²⁺ binding.
• B) heme binding.
• C) oxygen binding.
• D) subunit association.
• E) subunit dissociation.

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Definitions:

Rated Horsepower

The official power output of an engine or motor as specified by the manufacturer, under specific conditions.

Breakdown Torque

The maximum torque that an electric motor generates at standstill without causing instantaneous failure of the motor.

Operating Speed

The speed at which a machine or component operates under normal working conditions.

Stalling

The condition where an engine or motor stops functioning due to excessive load or insufficient power.