Practice Questions

TLS Online TPP Program

#Question id: 15173

Microbes such as Chlorobium and Chromatium develop as visible green and purple zones. These microorganisms use

#Part-B Specialized Branches in Biotechnology

Hydrogen sulfide as an electron source, and CO2 from sodium carbonate as a carbon source
Hydrogen sulfide as an electron source, and O₂ from sodium carbonate as a oxygen source
Mercuric chloride as an electron source, and CO₂ from sodium carbonate as a carbon source
Citrate as an electron source, and ethanol as a carbon source

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#Question id: 6565

#Part-A Aptitude & General Biotechnology

Find the wrong number in the series : 93, 309, 434, 498, 521, 533

#Question id: 869

#Part-B Specialized Branches in Biotechnology

Which statements are correct regarding protein folding

A. Many molecular chaperones were first described as heat shock proteins (Hsp) because Their rate of synthesis is increased at elevated temperatures

B. The renaturation of a denatured protein in vitro may not entirely mimic the folding of a protein in vivo.

C. Molecular chaperones are essential proteins that bind to only partially folded polypeptide chains.

D. Molecular chaperones function to lift folding polypeptides out of the false minima in their folding funnel.

#Question id: 11452

#Part-B Specialized Branches in Biotechnology

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

#Question id: 18371

#Part-B Specialized Branches in Biotechnology

#Question id: 4327

#Part-A Aptitude & General Biotechnology

What would occur if the repressor of an inducible operon were mutated so it could not bind the operator?