Why Is the Bicarbonate Buffer System Considered an Open Buffer

question 57

Multiple Choice

Why is the bicarbonate buffer system considered an open buffer system?

• A) As the major blood and body buffer system, it is open by definition.
• B) It operates only in the extracellular fluid, avoiding cell closure.
• C) Its acid (carbonic acid) is converted to CO₂ and removed.
• D) Its chemical reactions occur very quickly.

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Definitions:

Phenotypes

The observable physical or physiological traits of an organism, which result from both genetic makeup and environmental influences.

Niche Construction

the process by which organisms actively modify their environment or create new environments, influencing the selection pressures they and future generations face.

Phenotypic Plasticity

The ability of an organism to modify its phenotype in response to environmental changes, demonstrating the flexibility and adaptability of biological organisms.

Heritability

A measure of the degree to which a variation in a particular trait among individuals in a specific population is related to genetic differences among those individuals.