In What Way Does Hemoglobin Act as a Buffer Against

question 26

Multiple Choice

In what way does hemoglobin act as a buffer against changes in blood pH?

• A) Subsequent binding of oxygen is drastically reduced after the first one is bound.
• B) Hemoglobin binds some of the excess protons released by carbonic acid.
• C) Hemoglobin produces protons or hydroxide ions as needed to alter the blood pH.
• D) Hemoglobin removes excess protons from the red blood cells so that they can be excreted through the kidneys.

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Definitions:

Analogy

A comparison between two things, typically for the purpose of explanation or clarification, showing similarities in some respects.

Action Potentials

Electrical impulses that travel along neurons, allowing them to communicate with each other and with other types of cells.

Terminal Buttons

The small knobs at the end of an axon that release chemical signals from the neuron into the synapse to stimulate the next neuron.

Stimulation

The activity of promoting or encouraging a physical or biological response through external or internal factors.