Which of the Following Best Explains Why E

question 8

Multiple Choice

Which of the following best explains why E. coli shuts down the trp operon if tryptophan is available in the environment?

• A) It does not shut down the trp operon, it only lowers the level of trp operon activity.
• B) The trp operon encodes genes that export tryptophan from the cell; if tryptophan already occurs in the environment, further export is not necessary.
• C) Synthesizing an amino acid takes energy, so it is a waste of energy to make something that is already available.
• D) Environmental tryptophan is of higher quality than what the E. coli can make itself.

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Definitions:

Financial Viability

The ability of an entity to manage its financial operations so that it can continue to operate and meet its financial obligations.

CFO

Chief Financial Officer, an executive position responsible for managing the financial actions of a company.

Projects

Undertakings with a defined start and end, aimed at achieving particular objectives within constraints such as budget, time, and resources.

Chief Financial Officer

A senior executive responsible for managing the financial actions of a company, overseeing financial planning, risk management, and financial reporting.