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TLS Online TPP Program

#Question id: 1990

B cells interacting with helper T cells are stimulated to differentiate when

#Section 2: General Biology

  1. B cells produce IgE antibodies.

  2. helper T cells release cytokines.

  3. helper T cells present the class II MHC molecule-antigen complex on their surface.

  4. helper T cells differentiate into cytotoxic T cells.

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TLS Online TPP Program

#Question id: 3614

#Section 3: Genetics, Cellular and Molecular Biology

A gene showing codominance–
TLS Online TPP Program

#Question id: 15494

#Section 4: Fundamentals of Biological Engineering

Assuming that cells convert two-thirds (w/w) of the substrate to biomass, the stoichiometric coefficient (1 only) for glucose utilisation for the following reaction is
TLS Online TPP Program

#Question id: 3644

#Section 3: Genetics, Cellular and Molecular Biology

In replication: soon after synthesis, the DNA fragments are joined to make one continuous piece of DNA by the enzyme:
TLS Online TPP Program

#Question id: 1958

#Section 2: General Biology

Both the eye and the respiratory tract are protected against infections by which of the following?
TLS Online TPP Program

#Question id: 2294

#Section 3: Genetics, Cellular and Molecular Biology

________ use such high magnification that even atoms are discernable.