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TLS Online TPP Program

#Question id: 2017

Which of the following could prevent the appearance of the symptoms of an allergy attack?

#Section 2: General Biology

  1. blocking the attachment of the IgE antibodies to the mast cells

  2. blocking the antigenic determinants of the IgM antibodies

  3. reducing the number of helper T cells in the body

  4. reducing the number of cytotoxic cells

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TLS Online TPP Program

#Question id: 2447

#Section 3: Genetics, Cellular and Molecular Biology

In the axonemes, the arrangement of nine outer doublet microtubules, as well as the protofilament number of each outer doublet, is specified by
TLS Online TPP Program

#Question id: 4822

#Section 3: Genetics, Cellular and Molecular Biology

In a particular species of mammal black hair (B) is dominant to green hair (b) and red eyes (R) are dominant to white eyes (r). If a BbRr individual is mated with a bbrrindividual the expected phenotypic ratio of the offspring is 1 black-red : 1 black-white: 1 green-red : 1 green-white. However, when you mate these individuals you find that the phenotypic ratio of the offspring is 6 black-red :1 black-white : 1 green-red : 6 green-white. What could account for this difference?
TLS Online TPP Program

#Question id: 15644

#Section 4: Fundamentals of Biological Engineering

Based on the flow behavior of fluids depicted in the following figure. choose the correct option.
TLS Online TPP Program

#Question id: 15884

#Section 6: Plant, Animal and Microbial Biotechnology

Laminar airflow is used for the following reason except;
TLS Online TPP Program

#Question id: 319

#Section 2: General Biology

London dispersion forces are attractive forces that arise due to