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TLS Online TPP Program

#Question id: 2673

For a repressible operon to be transcribed, which of the following must be true?

#SCPH06 I Botany

  1. A corepressor must be present.

  2. RNA polymerase must bind to the promoter, and the repressor must be inactive.

  3. RNA polymerase and the active repressor must be present.

  4. RNA polymerase cannot be present, and the repressor must be inactive.

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TLS Online TPP Program

#Question id: 10803

#SCPH05 I Biotechnology

Which of the following are not consider as nitrogen-containing secondary metabolites?
TLS Online TPP Program

#Question id: 19704

#SCPH06 I Botany

What is aVF in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 3654

#SCPH05 I Biotechnology

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 389

#SCPH05 I Biotechnology

A weak acid HA has a pKa of 5.0.  If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what would the final pH be?
TLS Online TPP Program

#Question id: 5697

#SCPH06 I Botany

Individual with pericentric inversion produce gametes that receive the recombinant chromosomes cannot produce viable progeny because