TLS Online TPP Program

#Question id: 3952


What kind of molecules must pass between the nucleus and the cytoplasm?

#Section 3: Genetics, Cellular and Molecular Biology
  1. DNA

  2. protein

  3. lipids

  4. carbohydrates

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TLS Online TPP Program

#Question id: 27908

#Section 5: Bioprocess Engineering and Process Biotechnology

The dynamic technique is based on the

TLS Online TPP Program

#Question id: 4161

#Section 3: Genetics, Cellular and Molecular Biology

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

TLS Online TPP Program

#Question id: 19538

#Section 4: Fundamentals of Biological Engineering

The equation for aerobic production of acetic acid from ethanol is ____________
C2H5OH(ethanol) + O2(acetic acid) → CH3CO2H + H2O
Acetobacter aceti bacteria are added to vigorously-aerated medium containing 10 g l-1 ethanol. After some time, the ethanol concentration is 2 g l-1 and 7.5 g l-1  acetic acid is produced. Calculate the theoretical yield.

TLS Online TPP Program

#Question id: 2466

#Section 3: Genetics, Cellular and Molecular Biology

Multinucleated cells may result from a defect in:

TLS Online TPP Program

#Question id: 14192

#Section 5: Bioprocess Engineering and Process Biotechnology

In a two-stage chemostat system, the volumes of the first and second reactors are V1 = 500 l and V2 = 300 l, respectively. The first reactor is used for biomass production and the second is for a secondary metabolite formation. The feed flow rate to the first reactor is F = 100 l/h, and the glucose concentration in the feed is S = 5.0 g/l. Use the following constants for the cells.



Determine cell concentration in the effluent of the first stage.

      _______________