PCR Can Be Used to Amplify DNA in a Clinical

question 21

Multiple Choice

PCR can be used to amplify DNA in a clinical sample. The following steps are used in PCR. What is the fourth step?

• A) Incubate at 72°C.
• B) Collect DNA.
• C) Incubate at 94°C.
• D) Incubate at 60°C.
• E) Add DNA polymerase.

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Definitions:

Direct Labor Cost

The cost of wages paid to workers directly involved in manufacturing a product or providing a service, excluding indirect labor involved in support roles.

Period Cost

Expenses incurred during a specific time frame that are not directly tied to the production process, such as sales, administration, and marketing expenses.

Direct Materials Inventory

Direct materials inventory refers to raw materials that are directly used in the production of goods. These materials are assets on the balance sheet until they are used in production.

Direct Labor

The labor costs directly tied to the production of goods or services, which can include wages of workers or employees directly involved in manufacturing.