In the Tryptophan Operon, the Repressor Actively Binds to the Operator

question 14

Multiple Choice

In the tryptophan operon, the repressor actively binds to the operator when:

• A) tryptophan binds to an allosteric site on the repressor.
• B) tryptophan levels are low.
• C) lactose levels are low.
• D) there is a great need for proteins.
• E) allotryptophan levels are low.

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Definitions:

Interval Measure

Interval measure is a financial metric that assesses a company's ability to meet its current operational expenses by comparing its current assets to its current cash outflows.

Net Fixed Assets

These are a company's total fixed assets minus its accumulated depreciation, representing the actual value of the company’s fixed assets.

Average Daily Operating Costs

The average amount spent by a business on its day-to-day operational activities, divided by the number of days in the period.

Times Interest Earned

A financial metric indicating how well a company can meet its interest obligations from earnings before interest and taxes.