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TLS Online TPP Program

#Question id: 1981

Which of the following is accounted for by immunological memory?

#Section 2: General Biology

  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: 3554

#Section 3: Genetics, Cellular and Molecular Biology

The diploid cell with 6 pairs of chromosomes can divide. How many possible different combinations of maternal and paternal chromosomes in metaphase?
TLS Online TPP Program

#Question id: 1979

#Section 2: General Biology

An immunoglobulin (Ig) molecule, of whatever class, has regions symbolized as C or V, H or L. A light chain has which of these regions?
TLS Online TPP Program

#Question id: 10550

#Section 6: Plant, Animal and Microbial Biotechnology

Plants, in turn, evolved a second line of defense that recognize these intracellular effectors and trigger defense responses to render them harmless. As a result, plants possess a second type of immunity called,
TLS Online TPP Program

#Question id: 31205

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Shannon’s entropy is range between ________ for protein and _______ for DNA.
TLS Online TPP Program

#Question id: 3666

#Section 3: Genetics, Cellular and Molecular Biology

RNA-directed RNA polymerase, used in replication of some RNA viruses termed as: