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TLS Online TPP Program

#Question id: 2113

Why are lipids and proteins free to move laterally in membranes?

#Section 3: Genetics, Cellular and Molecular Biology

  1. The interior of the membrane is filled with liquid water.

  2. Lipids and proteins repulse each other in the membrane.

  3. Hydrophilic portions of the lipids are in the interior of the membrane.

  4. There are only weak hydrophobic interactions in the interior of the membrane.

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TLS Online TPP Program

#Question id: 368

#Section 4: Fundamentals of Biological Engineering

Which of the following is true about the properties of aqueous solutions?
TLS Online TPP Program

#Question id: 15310

#Section 6: Plant, Animal and Microbial Biotechnology

Organisms such as Escherichia, Enterococcus, Saccharomyces cerevisiae does not require O2 for growth, but grows better in its presence. Such organisms are termed as
TLS Online TPP Program

#Question id: 14393

#Section 1: Engineering Mathematics

If the system of equations 2x + 3y + 5 = 0, x + ky + 5 = 0, kx — 12y — 14 = 0 has non-trivial solution, then the value of k is 
TLS Online TPP Program

#Question id: 3262

#Section 3: Genetics, Cellular and Molecular Biology

In a population, the genotype frequencies are: f(A1A1)= 0.35; f(A1A2) = 0.30; f(A2A2) = 0.35; Which of the following statement is correct?
TLS Online TPP Program

#Question id: 21732

#Section 5: Bioprocess Engineering and Process Biotechnology

Rate constants for the first-order decomposition of acetonedicarboxylic acid
CO(CH2COOH)2(aq) → CO(CH3)2(aq) + 2 CO2(g)
are k = 4.75 ×10–4 s–1 at 293 K and k = 1.63 ×10–3 at 303 K. What is the activation energy, Ea, for this reaction?