A new operon is discovered in bacteria. Transcription of the genes in this operon is blocked by the binding of a protein to DNA sequences upstream of the operon. This is an example of ____ control.
A) positive
B) negative
C) constitutive
D) posttranscriptional
E) inducible
Correct Answer:
Verified
Q1: An inducible operon is usually controlled by:
A)
Q2: A mutation in the IGF2 gene in
Q3: How does the lactose repressor block transcription
Q5: cAMP levels decrease when _. This results
Q6: Many genes encode proteins that are always
Q7: An activator protein would have which of
Q8: Repressible genes are usually actively transcribed when:
A)
Q9: A repressor protein would have which of
Q10: Eukaryotes require more complex methods of gene
Q11: The organization of the lac operon, from
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