Bacterial Genetics Regulation Quiz
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Questions and Answers

Why is the regulation of gene expression necessary?

  • To allow bacteria to express all the genes in their genome constantly
  • To control the production of specific gene products (correct)
  • To prevent the transcription and translation of genetic information
  • To increase the number of genes expressed at any one time

What is meant by gene regulation?

  • Controlling the expression of specific genes (correct)
  • Halting the transcription and translation processes
  • Ensuring constant production of gene products
  • Activating all genes in the genome simultaneously

What describes the role of regulatory proteins in gene regulation?

  • They control the expression of specific genes (correct)
  • They have no impact on gene regulation
  • They inhibit all gene expression
  • They promote constant gene expression

What is the difference between inducible and repressible genes?

<p>Inducible genes are activated in response to a specific signal, while repressible genes are deactivated in response to a specific signal (A)</p> Signup and view all the answers

What is the Lac operon and how can its expression be induced or repressed?

<p>The Lac operon is a set of genes involved in lactose metabolism; its expression can be induced in the presence of lactose and repressed in the absence of glucose (D)</p> Signup and view all the answers

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