In Both Myoglobin and Hemoglobin,O₂ Reversibly Binds to A(n)__________ Atom

question 74

Multiple Choice

In both myoglobin and hemoglobin,O₂ reversibly binds to a(n) __________ atom contained in a porphyrin ring that is tightly bound to the protein.

• A) calcium
• B) iron
• C) magnesium
• D) manganese

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Definitions:

Accounts Receivable

Money owed to a business by its customers for products or services delivered on credit.

Inventory

Refers to the goods and materials a business holds for the purpose of resale or production.

Statement Of Cash Flows

A financial report that summarizes the amount of cash and cash equivalents entering and leaving a company.

Operating Activities

The day-to-day activities of a business that are directly related to its principal revenue-generating operations, such as sales and service delivery.