Which of the Following May Result from a His143 $\rightarrow$ Ala143 Mutation in Adult Hemoglobin?
A) Decreased CO₂ Transport Efficiency

question 91

Multiple Choice

Which of the following may result from a His143 $\rightarrow$ Ala143 mutation in adult hemoglobin?

• A) decreased CO₂ transport efficiency
• B) increased oxygen transport efficiency
• C) reduced affinity for 2,3-BPG
• D) sickle cell anemia

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Definitions:

Toxic Conditions

States of health compromised by the presence of harmful substances in the body, leading to adverse effects.

Tachycardia

An abnormally rapid heart rate, often defined as a heart rate exceeding 100 beats per minute in adults.

Repolarize

A process by which a cell restores its negative internal charge relative to the outside, typically after an action potential in neurons.

Cardiac Muscle Cells

Specialized muscle cells found in the heart that are responsible for the heart's contraction, enabling it to pump blood throughout the body.