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TLS Online TPP Program

#Question id: 4817

How many different gametes can be formed by an organism with genotype AaBbCCddEe, If a, b and c gene are completely link?

#Section 3: Genetics, Cellular and Molecular Biology

  1. 4

  2. 16         

  3. 2       

  4. 64

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TLS Online TPP Program

#Question id: 14357

#Section 5: Bioprocess Engineering and Process Biotechnology

Milk is pasteurized if it is heated to 630C for 30 min, but if it is heated to 74°C it only needs 15 s for the same result. Find the activation energy of this sterilization process.  J/mol 
TLS Online TPP Program

#Question id: 14861

#Section 4: Fundamentals of Biological Engineering

A fermentation slurry containing Streptomyces kanamyceticus cells is filtered using a continuous rotary vacuum filter. 120 kg h- 1 slurry is fed to the filter; 1 kg slurry contains 60 g cell solids. To improve filtration rates, particles of diatomaceous-earth filter aid are added at a rate of 10 kg h- 1. The concentration of kanamycin in the slurry is 0.05% by weight. Liquid filtrate is collected at a rate of 112 kg h-1; the concentration of kanamycin in the filtrate is 0.045% (w/w). Filter cake containing cells and filter aid is continuously removed from the filter cloth.
If the concentration of kanamycin in the filter-cake liquid is the same as in the filtrate, how much kanamycin is absorbed per kg filter aid?.,..... 10-4
TLS Online TPP Program

#Question id: 4347

#Section 3: Genetics, Cellular and Molecular Biology

According to the lac operon model proposed by Jacob and Monod, what is predicted to occur if the operator is removed from the operon?
TLS Online TPP Program

#Question id: 3626

#Section 3: Genetics, Cellular and Molecular Biology

The major blood group locus in humans produces types A (genotypes AA or AO), B (genotypes BB or BO), AB (genotype AB), or O (genotype OO). Parents who are type AB and type O, what are the possible blood types of their offspring?
TLS Online TPP Program

#Question id: 1966

#Section 2: General Biology

Mammals have Toll-like receptors (TLRs) that act in a manner similar to those of insects. While not specific to a particular pathogen, a TLR can recognize a kind of macromolecule that is absent from vertebrates but present in/on certain groups of pathogens. Which of the following is most likely to be recognized by a particular TLR that defends against some viruses?