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TLS Online TPP Program

#Question id: 3292

Which of the following is correct observation?

#Unit 11. Evolution and Behavior

  1. Niche partitioning allows for selection of differential patterns of resource usage, which can drive speciation

  2. This narrowing of phenotypes causes a reduction in genetic diversity in a population

  3. Extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype

  4. The phenotypes grade become wide and caused increases the genetic diversity in a population

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TLS Online TPP Program

#Question id: 26452

#Unit 3. Fundamental Processes

Holoenzyme shows highest affinity at
TLS Online TPP Program

#Question id: 4417

#Unit 3. Fundamental Processes

In eukaryotes, at most promoters, Pol II pauses after transcribing fewer than 100 nucleotides, due to the binding of
TLS Online TPP Program

#Question id: 3297

#Unit 11. Evolution and Behavior

Which of the following is incorrect statement?
TLS Online TPP Program

#Question id: 1159

#Unit 4. Cell Communication and Cell Signaling

Cholera toxin can make you sick through overactivation of a Gs pathway even if your body stops making the ligand associated with activation of the pathway. Knowing this, which of the following CANNOT be true about cholera toxin?
TLS Online TPP Program

#Question id: 32363

#Unit 1. Molecules and their Interaction Relevant to Biology

Inorganic fluoride inhibits enolase.  In an anaerobic system that is metabolizing glucose as a substrate, which of the following compounds would you expect to increase in concentration following the addition of fluoride?