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TLS Online TPP Program

#Question id: 1981

Which of the following is accounted for by immunological memory?

#Unit 4. Cell Communication and Cell Signaling

  1. the human bodyʹs ability to distinguish self from nonself

  2. the observation that some strains of the pathogen that causes dengue fever cause worse disease than others

  3. the ability of a helper T cell to signal B cells via cytokines

  4. the ancient observation that someone who had recovered from the plague could safely care for those newly diseased

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TLS Online TPP Program

#Question id: 26960

#Unit 10. Ecological Principles

Which of the following characters may cause the uniform dispersion pattern between individuals?
TLS Online TPP Program

#Question id: 7456

#General Aptitude

How many times the hands of a clock will be in vertically opposite Directions from 10 AM to 10 PM.
TLS Online TPP Program

#Question id: 563

#Unit 1. Molecules and their Interaction Relevant to Biology

Both water and glucose share an —OH that can serve as a substrate for a reaction with the terminal phosphate of ATP catalyzed by hexokinase.  Glucose, however, is about a million times more reactive as a substrate than water.  The best explanation is that:
TLS Online TPP Program

#Question id: 5814

#Unit 8. Inheritance Biology

A bacterial cell experiences a mutation as a result of exposure to nitrogen mustard and then divides several times to produce a total of eight cells. How many of the resulting cells would you expect to contain the mutation?
TLS Online TPP Program

#Question id: 1606

#Unit 4. Cell Communication and Cell Signaling

transporter associated with antigen processing(TAP) is ,