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TLS Online TPP Program

#Question id: 5316

Why is sequencing of eukaryotic genomes more difficult than sequencing genomes of bacteria or archaea?

#Part-A Aptitude & General Biotechnology

  1. It is due to the large size of eukaryotic proteins.

  2. Eukaryotic genomes contain sequences for hard-to-find proteins.

  3. There is a high proportion of G-C base pairs in eukaryotic DNA, which makes sequencing difficult to complete.

  4. The large size of eukaryotic genomes and the large amount of eukaryotic repetitive DNA make sequencing difficult.

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TLS Online TPP Program

#Question id: 18645

#Part-A Aptitude & General Biotechnology

SDS PAGE separate molecules by size because the presence of SDS (sodium dodecyl sulphate) denatures the protein removing 2˚, 3˚ and 4˚ structures (they assume a linear chain) and the SDS coats the molecules giving them a uniform charge/mass ratio. In an experiment (SDS-PAGE) with a discontinuous buffer system following band pattern is obtained 

   
Choose the correct statement regarding this band pattern
TLS Online TPP Program

#Question id: 10878

#Part-B Specialized Branches in Biotechnology

The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?
TLS Online TPP Program

#Question id: 11546

#Part-B Specialized Branches in Biotechnology

Steroid and polypeptide hormones typically have in common ________.
TLS Online TPP Program

#Question id: 738

#Part-B Specialized Branches in Biotechnology

Which of the following is correct for peptide bonds

A) C and N are shorter than typical C-N bonds.

B) C and N are longer than typical C-N bonds.

C) C and O are longer than typical C=O bonds.

D) C and O are shorter than typical C=O bonds.
TLS Online TPP Program

#Question id: 50

#Part-A Aptitude & General Biotechnology

The enzyme fumarase catalyzes the reverse hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of: