Which Molecule Acts as a Co-Repressor to Block Transcription of the Tryptophan

question 182

Multiple Choice

Which molecule acts as a co-repressor to block transcription of the tryptophan operon?

• A) cAMP
• B) Lactose
• C) Tryptophan
• D) Methionine
• E) CRP

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Definitions:

Residual Value

The approximated price an asset will bring in at the conclusion of its operational life when it is sold.

Straight-Line Basis

A method of calculating depreciation or amortization that spreads the asset's cost evenly across its useful life.

Accumulated Depreciation

The total amount of an asset's cost that has been expensed over time due to wear and tear, obsolescence, or age.

Residual Value

The projected sum an asset will fetch at the time of sale, once it has surpassed its lifespan.