Which Part of a Hemoglobin Molecule Binds to a Molecule

question 51

Multiple Choice

Which part of a hemoglobin molecule binds to a molecule of O₂?

• A)the surface of an α globin chain
• B)the surface of a β globin chain
• C)the iron atom in the center of a heme group
• D)the copper atom wedged between an α and a β globin chain
• E)the hydrophobic pocket between two α chains

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Definitions:

Deferred Revenue

Revenue that has been received by a company for goods or services yet to be delivered or performed.

Accrued Expense

An accounting term referring to an expense that has been incurred but not yet paid, leading to an accounts payable.

Prepaid Expenses

Costs that are paid in advance for goods or services to be received in the future, recognized as assets on the balance sheet.

Journal Entries

Recorded transactions in the accounting records of a business, detailing the financial activities and their impact on various accounts.