The bells begin to toll together and they toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. After how many seconds will they toll together again?

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#Question id: 4001

#Unit 1. Structure and Function of Biomolecules

Which is not true about the lac repressor?

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#Question id: 4002

#Unit 3. Fundamental Processes

Which statement is false about operons that have the feature of catabolic repression?

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#Question id: 4003

#Unit 3. Fundamental Processes

Which is not generally associated with RNA processing?

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#Question id: 4004

#Unit 3. Fundamental Processes

The sequence CCA must occur ________.

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#Question id: 4005

#Unit 3. Fundamental Processes

Which does not apply to the post-transcriptional processing of ribosomal RNA?

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#Question id: 4006

#Unit 3. Fundamental Processes

Which of the following lists of transcription features applies only to prokaryotes?