A scientist has discovered a strain of bacteria that can convert ethanol to pyruvate when stimulated by ethanol. When these bacteria are studied further, the scientist finds that they express two genes, C and D and that these genes are part of an operon (shown below)

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A scientist has discovered a strain of bacteria that can convert
ethanol to pyruvate when stimulated by ethanol. When these
bacteria are studied further, the scientist finds that they express two
genes, C and D and that these genes are part of an operon (shown
below)
You decide to study these bacteria, but you determine that your
bacteria have two mutations (m1 and m2) that result in a loss of
function. The following table summarizes your results
No ethanol addd
Ethanal added
Expression inel of CED Expressionlevel of C&0
Wistype becterie
Low level
Highlevel
Mutarttrain1
Hghlee
Hghieel
Mutart trais2
Hghlee
Hghie
Muterttrein2 WM
Low level
Hghlee
pe operan
Using the information given above - match the statement with the
correct term
1. the repressor of this operon is functional
2. this operon is ( Select]
3. the m1 mutation affects the [
( Select ]
4. the m2 mutation affects the [
( Select ]
>
Transcribed Image Text:A scientist has discovered a strain of bacteria that can convert ethanol to pyruvate when stimulated by ethanol. When these bacteria are studied further, the scientist finds that they express two genes, C and D and that these genes are part of an operon (shown below) You decide to study these bacteria, but you determine that your bacteria have two mutations (m1 and m2) that result in a loss of function. The following table summarizes your results No ethanol addd Ethanal added Expression inel of CED Expressionlevel of C&0 Wistype becterie Low level Highlevel Mutarttrain1 Hghlee Hghieel Mutart trais2 Hghlee Hghie Muterttrein2 WM Low level Hghlee pe operan Using the information given above - match the statement with the correct term 1. the repressor of this operon is functional 2. this operon is ( Select] 3. the m1 mutation affects the [ ( Select ] 4. the m2 mutation affects the [ ( Select ] >
You decide to work on mutant strain 2. You introduce a wild-type
operon into these mutant bacteria - i.e. an operons with fully
functional regulatory and operon genes - to see if you can restore
function.
5. When you add ethanol to these modified bacteria, the expression
of genes C and D would be ( Select]
6. When you remove the ethanol, the expression of genes C and D
would be ( Select )
Transcribed Image Text:You decide to work on mutant strain 2. You introduce a wild-type operon into these mutant bacteria - i.e. an operons with fully functional regulatory and operon genes - to see if you can restore function. 5. When you add ethanol to these modified bacteria, the expression of genes C and D would be ( Select] 6. When you remove the ethanol, the expression of genes C and D would be ( Select )
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