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TLS Online TPP Program
#Question id: 14337
#Section 5: Bioprocess Engineering and Process Biotechnology
A fermentation broth with viscosity 10 −2 Pa s and density 1000 kg m − 3 is agitated in a 2.7 m^ 3 baffled tank using a Rushton turbine with diameter 0.5 m and stirred speed 1 s ^−1. Estimate the mixing time.
TLS Online TPP Program
#Question id: 12933
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
Choose the correct order for the cloning process.
1. The production of cDNA is carried out using an enzyme termed Reverse transcriptase.
2. mRNA cannot be used directly in cloning.
3. It is possible to synthesis complementary DNA molecule to all the mRNA from the selected tissue.
4. The cDNA may be inserted into vectors and then cloned.
TLS Online TPP Program
#Question id: 3800
#Section 3: Genetics, Cellular and Molecular Biology
If a reaction mixture of replicating DNA is suddenly diluted:
TLS Online TPP Program
#Question id: 3519
#Section 3: Genetics, Cellular and Molecular Biology
If quadruple heterozygote of genotype Aa Bb Cc Dd is self-fertilized, what is the probability of a quadruple heterozygote Aa Bb Cc Dd offspring is assuming independent assortment of all four pairs of alleles.
TLS Online TPP Program
#Question id: 19530
#Section 4: Fundamentals of Biological Engineering
If air consists of 77% by weight of nitrogen and 23% by weight of oxygen calculate:
(i) the mean molecular weight of air,
(ii) the mole fraction of oxygen,
(iii) the concentration of oxygen in mole/m3 and kg/m3 if the total pressure is 1.5 atmospheres and the temperature is 25 °C.