TLS Online TPP Program

#Question id: 27314


A feature of RNA that adds to its propensity to form double-helical structures is additional non-Watson–Crick base pairs. One such example is the G:U base pair, which has

#Section 3: Genetics, Cellular and Molecular Biology
  1. hydrogen bonds between N1 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N1 of guanine.

  2.  hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C6 of uracil and N7 of guanine. 
  3. hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N1 of guanine.
  4. hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N7 of guanine. 
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TLS Online TPP Program

#Question id: 27913

#Section 5: Bioprocess Engineering and Process Biotechnology

Power consumed by the agitator of the reactor can be expressed as

TLS Online TPP Program

#Question id: 14164

#Section 5: Bioprocess Engineering and Process Biotechnology

Stoichiometric equations are used to represent growth of microorganisms provided a ' molecular formula' for the cells is available. The molecular formula for biomass is obtained by measuring the amounts of C, N, H, O and other elements in cells. For a particular bacterial strain, the molecular formula was determined to be C4.4H7.30 1.2N0.86 . These bacteria are grown under aerobic conditions with hexadecane (C16H34) as substrate. The reaction equation describing growth is:

                                  

  Assuming 100% conversion, what is the yield of cells from hexadecane in g g-l?   

TLS Online TPP Program

#Question id: 1129

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise

TLS Online TPP Program

#Question id: 27166

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

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

H E L L O _

H E E I O W

TLS Online TPP Program

#Question id: 4150

#Section 3: Genetics, Cellular and Molecular Biology

Posttranslational glycosylation of proteins is inhibited specifically by: