TLS Online TPP Program

#Question id: 368


Which of the following is true about the properties of aqueous solutions?

#Section 4: Fundamentals of Biological Engineering
  1. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) of 20%

  2. A pH change from 8.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) by a factor of 100

  3. Hydrogen bonds form readily in aqueous solutions

  4. The pH can be calculated by adding 7 to the value of pOH

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TLS Online TPP Program

#Question id: 27141

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

For distantly related sequences alignment, which of the method is suitable?

TLS Online TPP Program

#Question id: 27142

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Calculate the percentage sequence identity for the pairwise alignment given below:



TLS Online TPP Program

#Question id: 27143

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The percentage SIMILARITIES and IDENTITIES, respectively, between the two peptide sequences given below will be % and %.

Peptide I:

Phe-Ala-Arg-Arg-Gln-Trp-Leu-Thr-Phe-Thr

Peptide II:

Tyr-Ala-Lys-Glu-Gln-Tyr-Ile-Ser-Phe-Thr

TLS Online TPP Program

#Question id: 27144

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Sequences those have sequence identity in the range of 20-40% falls in the range of

TLS Online TPP Program

#Question id: 27145

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following is an example of local alignment?

TLS Online TPP Program

#Question id: 27146

#Section 4: Fundamentals of Biological Engineering

In industries titanium is hardened through diffusion of carbon. The concentration of carbon at 1mm into the surface of the titanium slab is 0.25kg/m³ and at 3mm the concentration is 0.68kg/m³. The rate at which the carbon is entering into its surface is 1.27*10-9kg/m².s. calculate the value of diffusion coefficient of carbon.