Oxygen Binding Is Monitored for a Solution of Hemoglobin

question 8

Multiple Choice

Oxygen binding is monitored for a solution of hemoglobin.During the experiment,the curve changes from sigmoidal to hyperbolic.Which of the following may be the reason for the change?

• A) A positive allosteric effector was added.
• B) A negative allosteric effector was added.
• C) The protein dissociated into individual subunits.
• D) The protein denatured.

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Definitions:

Receptors

Special structures or proteins in organisms that respond to specific stimuli like chemicals, heat, or light and transmit a signal.

Auditory Canal

The tube that runs from the outer ear to the eardrum, facilitating the transmission of sound.

Cochlea

A helix-formed, liquid-filled structure within the inner ear that transforms sound waves into neural impulses, which the brain deciphers as sound.

Oval Window

A membrane-covered opening that leads from the middle ear to the cochlea of the inner ear, vital for the process of hearing.