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TLS Online TPP Program

#Question id: 3866

Which of the following statements about E. coli RNA polymerase (core enzyme) is false?

#Section 3: Genetics, Cellular and Molecular Biology

  1. In the absence of the B subunit, core polymerase has little specificity for where initiation begins.

  2. he core enzyme contains several different subunits.

  3. The core enzyme has no polymerizing activity until the  subunit is bound.

  4. The RNA chain grows in a 5' -> 3' direction.

More Questions
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: