Quaternary Structure Refers to the Non-Covalent Interaction(s) Between Polymeric Units

question 55

Multiple Choice

Quaternary structure refers to the non-covalent interaction(s) between polymeric units, such as two or more monomer protein units that noncovalently interact. Which of the following scenarios for nucleic acids most closely resembles quaternary structure?

• A) self-assembly of subunits in the tobacco mosaic virus
• B) interaction of DNA with proteins
• C) RNA and protein association in ribosomes
• D) All of these
• E) None of these

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Definitions:

Variable Costing

A costing method in which only variable production costs are assigned to inventory and cost of goods sold, excluding fixed manufacturing overhead.

Absorption Costing

A method of product costing that includes all manufacturing costs—direct materials, direct labor, and both variable and fixed manufacturing overhead.

Unit Product Cost

The total cost incurred to produce, store, and sell one unit of a product, including direct materials, labor, and overhead.

Variable Costing

A financial accounting approach that incorporates only variable production charges (direct materials, direct labor, and variable manufacturing overhead) into the cost structure of products.