TLS Online TPP Program

#Question id: 3301


 Following statement is correct regarding convergent evolution.

#Section 3: Genetics, Cellular and Molecular Biology
  1. Spreading of species to different and isolated environments which blocks the gene flow among the distinct populations

  2. Flipper of whale and Fin of fish is one example of convergent evolution

  3. Environmental induced force allowed to homologous organ being modified to new function

  4. Sympatric speciation leads to divergence of one species in to two are more descendant species

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TLS Online TPP Program

#Question id: 19483

#Section 4: Fundamentals of Biological Engineering

Propane (C3H8) burns in this reaction:
C3H8 + 5O2 = 4H2O + 3CO2
If 200 g of propane is burned, how many g of H2O is produced?

TLS Online TPP Program

#Question id: 19484

#Section 4: Fundamentals of Biological Engineering

Estimate the degree of reduction of Methane, Glucose and Ethanol?

TLS Online TPP Program

#Question id: 19485

#Section 4: Fundamentals of Biological Engineering

The growth of S.cerevisiae on glucose under anaerobic conditions can be described by the following reaction:
C6H12O6 + aNH3 → 0.59 CH1.64N0.16O0.52 (biomass) + 0.43 C3H8O3 + 1.54CO2 + 1.3C2H5OH +0.036H2O
Determine the biomass (MW= 23.74) yield coefficient Yx/s

TLS Online TPP Program

#Question id: 19486

#Section 4: Fundamentals of Biological Engineering

The growth of S.cerevisiae on glucose under anaerobic conditions can be described by the following reaction:
C6H12O6 + aNH3 → 0.59 CH1.64N0.16O0.52 (biomass) + 0.43 C3H8O3 + 1.54CO2 + 1.3C2H5OH + 0.036H2
and determine the product yield coefficient Y etoh/s and determine coefficient a.

TLS Online TPP Program

#Question id: 19487

#Section 4: Fundamentals of Biological Engineering

What is the yield coefficient if the initial substrate concentration is 20 g/l and biomass is 0.2 g/l. The substrate is then consumed and produces 6.0 g/l of biomass?

TLS Online TPP Program

#Question id: 19488

#Section 4: Fundamentals of Biological Engineering

What is the yield coefficient if the initial substrate concentration is 10 g/l and biomass is 0.1 g/l. The substrate is then consumed and produces 5.3 g/l of biomass?