If the O₂-Binding/dissociation Curves Were Plotted for the Following Molecules

question 47

Multiple Choice

If the O₂-binding/dissociation curves were plotted for the following molecules, which curve would be to the left of all the others?

• A) Fetal human hemoglobin
• B) Adult human hemoglobin in a person exercising heavily
• C) Adult human hemoglobin in a person at rest
• D) Myoglobin
• E) Adult human hemoglobin in a person exercising at high altitudes

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Definitions:

Integumentary System

The body system comprised of skin, hair, nails, and exocrine glands, functioning in protection, temperature regulation, and sensation.

Thermoregulation

The process by which organisms maintain their internal body temperature within a physiological range despite external temperature changes.

Vitamin E Synthesis

The biochemical process by which organisms produce vitamin E.

Eccrine Sweat Gland

A type of sweat gland found throughout the body that regulates body temperature by releasing a watery sweat onto the surface of the skin.