Which of the Following Would Result in the Tightest Binding

question 10

Multiple Choice

Which of the following would result in the tightest binding association between E.coli RNA polymerase and DNA?

• A)core enzyme binding single stranded DNA at the promoter region
• B)open complex bound to the Pribnow box
• C)core enzyme binding duplex DNA following promoter recognition
• D)haloenzyme binding duplex DNA at the promoter site
• E)haloenzyme binding duplex DNA following promoter recognition

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Definitions:

Labour Efficiency Variance

The difference between the actual hours worked and the standard hours expected to produce a certain level of output, multiplied by the standard labour rate.

Quality Raw Materials

High-standard, unprocessed or minimally processed inputs used in the production of goods, directly affecting the quality of the finished product.

Labour Time Standard

A benchmark or norm established for the amount of time required to perform a specific task or activity under normal working conditions.

Direct Material Price Variance

The difference between the actual cost of direct materials and the expected (or standard) cost.