A gene that undergoes rho-dependent termination has a mutation in the rut site. How will this influence transcriptional activity?

A. Transcription will terminate normally as Rho termiantion relies on the rut site to enhance termination; it is not essential for termination
B. Transcription will stop immediately because RNA polymerase will sense there is a mutation
C. Transcription will continue until another termination sequence, either Rho dependent or independent is reached
D. There will be no transcription initiation


C

Biology & Microbiology

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Mutations are _____________.

A.usually weeded out of a population. B.usually neutral. C.usually beneficial. D.necessary for evolution. E.usually detrimental.

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Transcription starts at a ____ and ends at a ____

Two parts for this statement.

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If the NaCl concentration drops below 1.5 M the cell walls of Halobacterium disintegrate.

Answer the following statement true (T) or false (F)

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Explain how a mutant CC-CKR5 allele offers protection from HIV infection

What will be an ideal response?

Biology & Microbiology