What Is the Selective Advantage of a Mature Red Blood

question 7

Multiple Choice

What is the selective advantage of a mature red blood cell being flat rather than a sphere?

• A) It provides more membrane for the electron transport chains where oxygen is consumed.
• B) It maximizes the relative surface area available to exchange gasses.
• C) The cell's surface area to volume will decrease, making it easier for the cell to fit through arteries and veins.
• D) It provides more sites for the membrane-bound hemoglobin molecules which transport oxygen.
• E) It saves energy by making more membrane relative to the volume of the cell.

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Definitions:

Operant Model

A theory of learning that emphasizes the role of rewards and punishments in shaping behavior.

Latency Stage

A phase in Freudian psychosexual development occurring between ages 6 and puberty, characterized by a decrease in sexual urges and interests.

Psychosexual Stage

In psychoanalytic theory, one of the developmental phases during which the pleasure-seeking energies of the id focus on distinct erogenous zones.

Parsimonious Explanation

An explanation that requires the fewest possible assumptions, variables, or changes to adequately describe a phenomenon or solve a problem.