TLS Online TPP Program

#Question id: 2308


In what way are the Archaea more similar to the Eukarya than to the Bacteria?

#Section 3: Genetics, Cellular and Molecular Biology
  1. share similar surface molecules

  2. same nucleic acid composition

  3. Archaea have histones with their genetic material.

  4. share the same habitats

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TLS Online TPP Program

#Question id: 14126

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

Which of the following statement is incorrect about homology and sequence similarity?

TLS Online TPP Program

#Question id: 353

#Section 4: Fundamentals of Biological Engineering

Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?

TLS Online TPP Program

#Question id: 27471

#Section 5: Bioprocess Engineering and Process Biotechnology

In which of the following method, the enzyme is bound to a suitable adsorbent material rendering it immobile?

TLS Online TPP Program

#Question id: 14232

#Section 5: Bioprocess Engineering and Process Biotechnology

Nutrient medium is to be heated from 10⁰C to 28⁰C is a single-pass countercurrent shell-and-tube heat exchanger before being pumped into a fed-batch fermenter. Medium passes through the tubes of the exchanger; the shell-side fluid is water which enters with flow rate 3 x 10^4 kg h^- 1 and temperature 60⁰C pre-heated medium is required at a rate of 50 m^3 h^-1. The density, viscosity and heat capacity of the medium are the same as water; the thermal conductivity of the medium is 0.54 Wm^- 1 ⁰C^ - 1. It is proposed to use 30 steel tubes with inner diameter 5 cm; the tubes will be arranged in line. The pipe wall is 5-mm thick; the thermal conductivity of the metal is 50 Wm^- 1 ⁰C^ - 1. The maximum linear shell-side fluid velocity is estimated as 0.15 m s^-1. What is the rate of heat transfer?

TLS Online TPP Program

#Question id: 27313

#Section 3: Genetics, Cellular and Molecular Biology

Which type of interactions promote and stabilize the tetraloop structure.