You Are Asked to Give a Classroom Demonstration of DNA

question 19

Multiple Choice

You are asked to give a classroom demonstration of DNA supercoiling.To do so,you take two different colored pieces of rubber tubing,twist them very tightly and excessively around each other and join the ends of the tubing appropriately.Next,you relieve the supercoiling by breaking one strand and unwinding it.In this demonstration,the breaking and unwinding to relieve the supercoiling simulates the action of

• A)exonucleases.
• B)polymerases.
• C)ligases.
• D)topoisomerases.
• E)primases.

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Definitions:

Cost Per Unit

The total expense incurred to produce, store, and sell one unit of a product or service, calculated by dividing total costs by the number of units produced.

Inventory

The complete list of goods or materials a company holds, intending to sell it in the regular course of business.

Conversion Costs

The combined costs of direct labor and manufacturing overheads that are incurred to convert raw materials into finished goods.

Raw And In Process

Materials that are either in their natural state and used in the manufacturing of products or materials that are partially processed but not yet completed.