TLS Online TPP Program

#Question id: 27243


In DNA double helix, the two DNA chains are held together by

#Section 3: Genetics, Cellular and Molecular Biology
  1. covalent bonds between the pair of bases
  2. hydrogen bonds between the pair of bases
  3. ionic bonds between the pair of bases
  4. none of the above
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TLS Online TPP Program

#Question id: 27354

#Section 3: Genetics, Cellular and Molecular Biology

What does the cas9 protein do?

TLS Online TPP Program

#Question id: 27355

#Section 3: Genetics, Cellular and Molecular Biology

How does the guide RNA help the cell know where to cut the DNA?

TLS Online TPP Program

#Question id: 27356

#Section 3: Genetics, Cellular and Molecular Biology

What is the role of the guide RNA?

TLS Online TPP Program

#Question id: 27359

#Section 5: Bioprocess Engineering and Process Biotechnology

A double reciprocal plot was created from the specific growth rate and limiting-substrate concentration data obtained from a chemostat experiment. A linear regression gave values of 1.25 h and 100 mg hL-1 for the intercept and slope, respectively.
(a) The respective values of the Monod kinetic constants μm (h-1) and K. (mg L-¹) are as follows:

TLS Online TPP Program

#Question id: 27360

#Section 5: Bioprocess Engineering and Process Biotechnology

The same culture (with the m and K, values as computed above) is cultivated in a 10 L chemostat being operated with a 50 mL min-1 sterile feed containing 50 g L-1 of substrate. Assuming an overall yield coefficient of 0.3 (g- DCW) (g- substrate), the respective values of the outlet biomass and substrate concentrations are

TLS Online TPP Program

#Question id: 27361

#Section 5: Bioprocess Engineering and Process Biotechnology

A continuous stirred tank bioreactor produces 48 kg lysine.day-1. If the volumetric productivity is 2 g.l-1.h-1, the volume of the reactor is: