How Do the Primary Structures of Normal Hemoglobin and Sickle

question 37

Multiple Choice

How do the primary structures of normal hemoglobin and sickle cell hemoglobin differ?

• A)A glutamic acid residue in normal hemoglobin is replaced by a valine residue in sickle cell hemoglobin.
• B)A valine acid residue in normal hemoglobin is replaced by a glutamic acid residue in sickle cell hemoglobin.
• C)There are four heme groups in normal hemoglobin whereas there are only three heme groups in sickle cell hemoglobin.
• D)There are three heme groups in normal hemoglobin whereas there are 4 heme groups in sickle cell hemoglobin.
• E)Both A and C are correct.

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Definitions:

Underapplied Overhead

Underapplied overhead occurs when the allocated manufacturing overhead costs are less than the actual overhead costs incurred.

Overapplied Overhead

A situation where the allocated manufacturing overhead cost is more than the actual overhead costs incurred.

Total Manufacturing Costs

The aggregate of all costs involved in the production of a product, including direct materials, direct labor, and overhead.

Predetermined Overhead Rate

A rate calculated before a period begins, based on estimated overhead costs and activity levels, used to allocate overhead costs to products.