Which of the following statements is true in case of homopolymer tailing for producing sticky ends?

TLS Online TPP Program

#Question id: 1986

#Section 2: General Biology

The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?

I.   Pathogen is destroyed.

II.  Lymphocytes secrete antibodies.

III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.

 IV.  Lymphocytes specific to antigenic determinants from pathogen become numerous.

V.   Only memory cells remain.

TLS Online TPP Program

#Question id: 3625

#Section 3: Genetics, Cellular and Molecular Biology

If a heterozygous two recessive mutation at different site will give mutant phenotype when gene involved

TLS Online TPP Program

#Question id: 14249

#Section 5: Bioprocess Engineering and Process Biotechnology

Aspartase enzyme is used industrially for manufacture of aspartic acid, a component of low-calorie sweetener. Fumaric acid and ammonia are converted to aspartic acid according to the equation:

 

                                        

Under investigation is a process using aspartase in intact Bacillus cadaveris cells. In the substrate range of interest, the conversion can be described using Michaelis-Menten kinetics with K m 4.0 gl^-1. The substrate solution contains 15% (w/v) ammonium fumarate; enzyme is added in the form of lyophilised cells and the reaction stopped when 85% of the substrate is converted. At 32⁰C vmax for the enzyme is 5.9 g l^-1h^-1 and its half-life is 10.5 d. At 37⁰C Vmax increases to 8.5 g l^{- 1} h^{- I} but the half-life is reduced to 2.3 d. The average downtime between batch reactions is 28 h. calculate the reactor volume required to produce 5000 tonnes of aspartic acid per year

TLS Online TPP Program

#Question id: 18838

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

Which one of the following RNA secondary structure prediction methods is based on the principle of locating lowest energy minimum in the conformation space of a RNA structure? 

TLS Online TPP Program

#Question id: 8919

#Section 6: Plant, Animal and Microbial Biotechnology

The last common ancestor of all animals was probably a