Match the bacterial operon components with the appropriate description. Promoter

Question

Match the bacterial operon components with the appropriate description.

Promoter

Repressor

Regulatory gene

Structural Genes

Operator

DNA codes for metabolic enzymes, usually transcribed together

RNA polymerase binding site on DNA

Binding site for a regulatory protein

Protein that binds to an operator to control gene expression

DNA sequence that codes for a repressor protein

____

Promoter

____

Repressor

____

Regulatory gene

____

Structural Genes

____

Operator

1.

DNA codes for metabolic enzymes, usually transcribed together

2.

RNA polymerase binding site on DNA

3.

Binding site for a regulatory protein

4.

Protein that binds to an operator to control gene expression

5.

DNA sequence that codes for a repressor protein

Explanation / Answer

Answer=1]

DNA codes for metabolic enzymes, usually transcribed together= Structural gene

RNA polymerase binding site on DNA = promoter

Binding site for a regulatory protein = Operator

Protein that binds to an operator to control gene expression = Repressor

DNA sequence that codes for a repressor protein= regulatory gene

DNA codes for metabolic enzymes, usually transcribed together= Structural gene

2.

RNA polymerase binding site on DNA = promoter

3.

Binding site for a regulatory protein = Operator

4.

Protein that binds to an operator to control gene expression = Repressor

5.

DNA sequence that codes for a repressor protein= regulatory gene

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