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TLS Online TPP Program

#Question id: 4346

Which of the following results would occur if the repressor of an inducible operon were mutated so that it could not bind the operator?

#Section 3: Genetics, Cellular and Molecular Biology

  1. the irreversible binding of the repressor to the promoter

  2. the reduced transcription of the operon's genes

  3. the continuous transcription of the operon's genes

  4. the overproduction of cAMP receptor protein (CRP)

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TLS Online TPP Program

#Question id: 1703

#Section 2: General Biology

Which of the following statements is TRUE about an epitope?
TLS Online TPP Program

#Question id: 1704

#Section 2: General Biology

The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:
TLS Online TPP Program

#Question id: 1705

#Section 2: General Biology

What is the single best definition of the most common form of antigen recognized by the T-cell receptor (TCR)
TLS Online TPP Program

#Question id: 1706

#Section 2: General Biology

Which of the following statements is the best example of a primary lymphoid organ?
TLS Online TPP Program

#Question id: 1707

#Section 2: General Biology

The thoracic duct:
TLS Online TPP Program

#Question id: 1708

#Section 2: General Biology

When antigen reaches a lymph node in a primed animal: