Which of the Following Is Correct Regarding Biological Toggle Switches

question 34

Multiple Choice

Which of the following is correct regarding biological toggle switches?

• A) They can be thought of as two back-to-back OR gates.
• B) They can be described as straightforward "buffer gates."
• C) They consist of a single NOT gate.
• D) Two inducer signals are necessary to toggle the switch.
• E) They have two repressor genes whose products can repress each other's transcription.

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