The Buffering System of the Blood Is Shown Below

question 25

Multiple Choice

The buffering system of the blood is shown below. Which of the following equations represents the reaction that occurs when hydroxide is added to this buffer?

• A) CO₂ + ^ OH → CO₃^{2 } + H⁺
• B) H₂CO₃ + ^ OH → HCO₃ ^ + H₂O
• C) HCO₃ ^ + ^ OH → CO₃^{2 } + H₂O
• D) HCO₃ ^ + ^ OH → CO₂ + H₂O₂
• E) H₃O⁺ + ^ OH → 2 H₂O

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Definitions:

Phosphate Bond

A chemical bond between a phosphorus atom and another atom, crucial in the storage and release of energy in living organisms.

ATP Channel Protein

A type of membrane protein that allows ATP molecules to move across cell membranes, often involved in cellular energy management.

Mitochondrial Matrix

The innermost compartment of mitochondria, enclosed by the inner membrane, containing enzymes for the citric acid cycle and DNA.

NADH

Nicotinamide adenine dinucleotide (NADH) is the reduced form of NAD+, an important coenzyme in cellular respiration, acting as an electron carrier.