Which of the following constraints affect the stability α-helix, 

a) the intrinsic propensity of an amino acid residue to form an α-helix.

b) the interactions between R groups.

c) the bulkiness of adjacent R groups.

d) the occurrence of Pro and Gly residues.

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#Question id: 28116

#Section 5: Bioprocess Engineering and Process Biotechnology

A baffled fermenter with tank diameter and liquid height equal to 1.2 m is stirred using a six-blade downward-pumping impeller. The impeller diameter is 0.42 m and the stirrer speed is 1.5 s. The viscosity of the fermentation broth is 10^-2 Pa s and the density is 1000 kg m-³. Estimate the mixing time under nonaerated conditions.

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#Question id: 2121

#Section 2: General Biology

Which of the following membrane activities requires energy from ATP hydrolysis?

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#Question id: 16851

#General Aptitude

Healthy food is the key to a healthy life.

TLS Online TPP Program

#Question id: 12904

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

Match the following:

1. Southern Blotting                               i. Melting temperature of DNA strand

2. DNA microchips                                   ii.oligonucleotide matching to DNA sample

3. ASO-PCR                                                 iii.DNA hybridization to oligo arrays

4. DGGE                                                        iv. labeled probe hybridization to DNA  

TLS Online TPP Program

#Question id: 16771

#Section 1: Engineering Mathematics

What is the median?