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TLS Online TPP Program

#Question id: 1563

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

#Unit 4. Cell Communication and Cell Signaling

  1. respond to circulating viral antigens

  2. lyse tumor cells

  3. stimulate a cytotoxic T cell

  4. interact with a class II MHC-antigen complex

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TLS Online TPP Program

#Question id: 23988

#Unit 1. Molecules and their Interaction Relevant to Biology

Suppose luckily you get an opportunity to serve the minority institution. The castism and narrow views are the rules of the place. As you are little bit having scientific outlook and you become prey of victimisation. How would you find yourself in a equilibrium in such an institution?
TLS Online TPP Program

#Question id: 23989

#Unit 1. Molecules and their Interaction Relevant to Biology

If your principal indulges in corruption and forces you to co-operate, how would you make compromise with such a superior fellow?
TLS Online TPP Program

#Question id: 809

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which of the following double-stranded DNA molecules would denature at a lower temperature than the 40 base-pair double-stranded molecule described above?
TLS Online TPP Program

#Question id: 808

#Unit 1. Molecules and their Interaction Relevant to Biology

Which, if any, of the following statements is false?
TLS Online TPP Program

#Question id: 807

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following forces can stabilize a normal DNA double-helix?
TLS Online TPP Program

#Question id: 806

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which characteristic does this double-stranded molecule have when it forms a B-DNA structure?