TLS Online TPP Program

#Question id: 12245


The graph above illustrates a simplified description of the effect of disturbance on species diversity. Which of the following best explains the graph?

#Unit 10. Ecological Principles
  1. Productivity is enhanced at intermediate levels of disturbance. 
  2. Stabilizing selection occurs at intermediate levels of disturbance.
  3. The interaction of physical factors and biological competition increases diversity at intermediate levels of disturbance.
  4. Directional selection is enhanced by increased disturbance
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TLS Online TPP Program

#Question id: 26528

#Unit 3. Fundamental Processes

Which of the following statement is true regarding RNA polymerase III
1.RNA polymerase III transcribes a set of short genes
2.The classical class III genes (types I and II) have promoters that lie wholly within the genes.
3.Box A and Box B is the characteristics of RNA polymerase III type II
4.Box A and Box B is the characteristics of RNA polymerase III type I

TLS Online TPP Program

#Question id: 26529

#Unit 3. Fundamental Processes

RNA Polymerase III promoters are bipartite, which of the following is correctly representing the binding transcriptional factor with their location

TLS Online TPP Program

#Question id: 26530

#Unit 3. Fundamental Processes

Which of the following statement is correct
1.Start point, is the first base of mRNA to be A
2.Initiator (Inr) is Py2CAPy5, where Py stands for any pyrimidine. The Inr is contained between positions -3 and +5.
3.TATA box, usually located, 25 bp upstream in its location at -25 in eukaryotes 
4.The exception is in yeast, where the TATA box is more typically found at -90.

TLS Online TPP Program

#Question id: 26531

#Unit 3. Fundamental Processes

TATA less, Inr Less promoters uses ……….as activator to position TBP with TAFs

TLS Online TPP Program

#Question id: 26532

#Unit 3. Fundamental Processes

Sp1 (Mr  80,000) is a transcription activator for a large number of genes in higher eukaryotes. Its DNA binding site, the GC box having consensus sequence

TLS Online TPP Program

#Question id: 26533

#Unit 3. Fundamental Processes

Which of the following is incorrect about Sp1