A Mutation That Inactivates the Regulatory Gene of a Repressible

question 76

Multiple Choice

A mutation that inactivates the regulatory gene of a repressible operon in an E. coli cell would result in

• A) continuous transcription of the structural gene controlled by that regulator.
• B) complete inhibition of transcription of the structural gene controlled by that regulator.
• C) irreversible binding of the repressor to the operator.
• D) inactivation of RNA polymerase by alteration of its active site.
• E) continuous translation of the mRNA because of alteration of its structure.

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Definitions:

Last Sequence Step

The final action or command in a series of operations or instructions in a sequential process.

External Outputs

Outputs from a system or device that are directed outwards to other systems, devices, or users, distinct from internal outputs that might be used within the system itself.

Sequencer Instruction

A command in PLC programming that manages a series of steps or sequences in a process control application.

Binary Information

Binary information consists of data in the form of two possible states, often represented as 0s and 1s, which is the fundamental building block of digital computing and digital logic.