The Most Important Function of the Globin (Protein)portion of a Hemoglobin

question 29

Multiple Choice

The most important function of the globin (protein) portion of a hemoglobin molecule is to

• A)directly bind oxygen.
• B)promote binding of oxygen to the heme group.
• C)allow release of oxygen from the heme group.
• D)facilitate the reaction of CO₂ and H₂O.
• E)cause constriction of the capillaries.

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Definitions:

Variable Overhead Rate Variance

The gap between what was actually spent on variable overhead and what was predicted to be spent, considering the actual activity level.

Rate Variances

Differences between the standard or expected rates of costs and the actual rates incurred, often analyzed in cost accounting.

Variable Overhead

Refers to the costs that fluctuate with changes in production volume, such as utilities or materials that are consumed directly as a result of manufacturing activities.

Labor Rate Variance

The difference between the actual wage rate paid to workers and the expected or standard wage rate, multiplied by the actual hours worked.