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TLS Online TPP Program

#Question id: 4055

Which of the following might decrease the global production of mRNA in a prokaryotic cell? (1 point).

#Unit 3. Fundamental Processes

  1. A decrease in the amount of sigma factor.

  2. A decrease in the amount of RNA polymerase II.

  3. A mutation that introduces a stop codon in the 5’ UTR.

  4. A mutation that introduced extensive sequence changes into the DNA preceding the transcription start site of the gene.

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TLS Online TPP Program

#Question id: 1194

#Unit 4. Cell Communication and Cell Signaling

NF- κB signaling is important in:
TLS Online TPP Program

#Question id: 169

#Unit 1. Molecules and their Interaction Relevant to Biology

 An octapeptide composed of four repeating glycylalanyl units has:
TLS Online TPP Program

#Question id: 19106

#Unit 8. Inheritance Biology

Assume that mating is random. First, consider an autosomal recessive disease that is usually lethal in childhood, and that has an incidence among newborns of 1/3000. What mutation rate would be required to maintain this frequency in the population? 
TLS Online TPP Program

#Question id: 3737

#Unit 3. Fundamental Processes

The main difference between prokaryotic and eukaryotic DNA replication mechanisms is
TLS Online TPP Program

#Question id: 3330

#Unit 11. Evolution and Behavior

Which of the following Population have Hardy- Weinberg equilibrium?