To Become Bound to Hemoglobin for Transport in a Mammal

question 42

Multiple Choice

To become bound to hemoglobin for transport in a mammal, atmospheric molecules of oxygen must cross

• A) zero membranes-oxygen binds directly to hemoglobin, a protein dissolved in the plasma of the blood.
• B) one membrane-that of the lining in the lungs-and then bind directly to hemoglobin, a protein dissolved in the plasma of the blood.
• C) two membranes-in and out of the cell lining the lung-and then bind directly to hemoglobin, a protein dissolved in the plasma of the blood.
• D) four membranes-in and out of the cell lining the lung, in and out of the endothelial cell lining an alveolar capillary-and then bind directly to hemoglobin, a protein dissolved in the plasma of the blood.
• E) five membranes-in and out of the cell lining the lung, in and out of the endothelial cell lining an alveolar capillary, and into the red blood cell-to bind with hemoglobin.

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Definitions:

Merchandise Returns

Goods returned by the buyer to the seller, often due to defects, dissatisfaction, or other reasons, leading to a reversal of the sale.

Cash Realizable Value

The net amount of cash expected to be received from receivables, after adjusting for any allowances for doubtful accounts.

Receivables

Money owed to a company by its customers or other parties, typically from sales on credit, expected to be collected in the future.

Accrue Finance Charges

The process of adding interest or finance charges to the amount owed by a borrower over time, based on the agreement's terms.