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genetics > Gene Regulation In Prokaryotes - Lactate > Flashcards

Gene Regulation In Prokaryotes - Lactate Flashcards

1
Q

Lactate

A

Indictable operon

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2
Q

Genes

A

lacZ, lacY, lacA,

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3
Q

Repressor active when…

A

…lactose is absent

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4
Q

When lactose is absent…

A

…the repressor binds to operators and turns of the operon

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5
Q

When lactose is present…

A

…the lac repressor becomes inactive, allows operon activation

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6
Q

Allolactose induction

A

Isomer of lactose, binds to repressor, derepressing the operon

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7
Q

Outcome

A

Inactive repressor cannot bind to operator, genes transcribed and translated for lactose metabolism

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genetics (11 decks)

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