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TLS Online TPP Program

#Question id: 2008

An immune response to a tissue graft will differ from an immune response to a bacterium because

#Unit 4. Cell Communication and Cell Signaling

  1. MHC molecules of the donor may stimulate rejection of the graft tissue.

  2. the tissue graft, unlike the bacterium, is isolated from the circulation and will not enter into an immune response.

  3. a response to the graft will involve T cells and a response to the bacterium will not.

  4. a bacterium cannot escape the immune system by replicating inside normal body cells.

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TLS Online TPP Program

#Question id: 7554

#General Aptitude

A jogger inside a railway tunnel at a constant speed hears a train approaching the tunnel from behind at a speed of 30 km/hr, when he is one third of the away inside the tunnel. Whether he keeps running forward or turns back, he will reach the end of the tunnel at the same time the train reaches that end. The speed of the running man is
TLS Online TPP Program

#Question id: 7555

#General Aptitude

A man can row at 8 km per hour in still water. If it takes him thrice as long to row upstream, as to row downstream, then find the stream velocity?
TLS Online TPP Program

#Question id: 7556

#General Aptitude

By travelling at 40 kmph, a person reaches his destination on time. He covered two-third the total distance in one-third of the total time. What speed should he maintain for the remaining distance to reach his destination on time?
TLS Online TPP Program

#Question id: 7557

#General Aptitude

Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?
TLS Online TPP Program

#Question id: 7558

#General Aptitude

A man walks 6 km at a speed of 3/2 kmph, runs 8 km at a speed of 2 kmph and goes by bus another 32 km. Speed of the bus is 8 kmph. Find the average speed of the man.
TLS Online TPP Program

#Question id: 7559

#General Aptitude

A car starts from A for B travelling 20 km an hour. 3/2 hours later another car starts from A and travelling at the rate of 30 km an hour reaches B 5/2 hours before the first car. Find the distance from A to B.