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TLS Online TPP Program

#Question id: 13191

Which of the following statements about circadian rhythms is correct?

#Unit 10. Ecological Principles
  1. They are expressed during cell division only. 
  2. They occur only in mammals.
  3. They are not found in humans. 
  4. They have a periodicity of about 24 hours.
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TLS Online TPP Program

#Question id: 1705

#Unit 4. Cell Communication and Cell Signaling

What is the single best definition of the most common form of antigen recognized by the T-cell receptor (TCR)
TLS Online TPP Program

#Question id: 4341

#Unit 3. Fundamental Processes

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the promoter for the lac operon to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, which of the following results would be most likely?
TLS Online TPP Program

#Question id: 19343

#Unit 12. Applied Biology

The Russian doll model and parchment model are two types of models used to describe the structure of ________carbon nanotube?
TLS Online TPP Program

#Question id: 5389

#General Aptitude

The average weight of 55 students in a class is 30kg if 15 of the students whose average weight is 28 kg leave the class find the average weight of the remaining students
TLS Online TPP Program

#Question id: 24563

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT true for classical pathway of  complement activation?