A Hemoglobin Molecule Contains

question 42

Multiple Choice

A hemoglobin molecule contains

• A) three protein chains, four heme groups, and two iron.
• B) two protein chains, two heme groups, and four iron.
• C) four protein chains, two heme groups, and two iron.
• D) four protein chains, four heme groups, and four iron.
• E) four protein chains, six heme groups, and two iron.

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Definitions:

Mad Cow Disease

A neurological disorder in cattle that can be transmitted to humans, leading to a fatal brain disease known as variant Creutzfeldt-Jakob disease.

Upward Pressure

A situation in which there is an increase in prices or demand in the economy or a specific market.

Cattle

Large domesticated herbivores that are raised primarily for meat (beef), milk, and hides, playing a significant role in agricultural economies.

Substitution Effect

The change in consumption that results from a change in the relative price of goods, leading consumers to substitute one product for another.