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TLS Online TPP Program

#Question id: 10324

Which of the following is not true of all horizontally oriented phylogenetic trees, where time advances to the right?

#Unit 9. Diversity of Life Forms
  1. Each branch point represents a point in absolute time.
  2. Organisms represented at the base of such trees are ancestral to those represented at higher levels.
  3. The more branch points that occur between two taxa, the more divergent their DNA sequences should be.
  4. The common ancestor represented by the rightmost branch point existed more recently in time than the common ancestors represented at branch points located to the left.
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TLS Online TPP Program

#Question id: 3368

#Unit 11. Evolution and Behavior

The origin of a new plant species by hybridization, coupled with accidents during nuclear division, is an example of
TLS Online TPP Program

#Question id: 19897

#Unit 12. Applied Biology

The HIV and hepatitis are examples for ______________ sensor?
TLS Online TPP Program

#Question id: 1414

#Unit 4. Cell Communication and Cell Signaling

Which of the following genes encodes a caspase in C. elegans?
TLS Online TPP Program

#Question id: 4097

#Unit 3. Fundamental Processes

The 3' end of most eukaryotic mRNAs is defined by the addition of a polyA tail - a processing reaction called polyadenylation. Choose correct set of proteins involved in the polyadenylation
TLS Online TPP Program

#Question id: 12872

#General Aptitude

If the surface areas of two spheres are in the ratio 9 : 16,the ratio of their volumes is