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TLS Online TPP Program

#Question id: 4480

The reason for TBP’s unorthodox recognition mechanism is

#Part-B Specialized Branches in Biotechnology

  1. More typically, proteins recognize DNA using alpha helices inserted into the minor groove of DNA

  2. TBP uses an extensive region of beta sheet to recognize the minor groove of the TATA element.

  3. A and B Both

  4. Only B

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TLS Online TPP Program

#Question id: 9272

#Part-B Specialized Branches in Biotechnology

The quantum yield of photosynthesis falls off drastically for far-red light of wavelengths greater than 680 nm, indicating that far-red light alone is inefficient in driving
photosynthesis, this effect is called
TLS Online TPP Program

#Question id: 11604

#Part-A Aptitude & General Biotechnology

What will be the effect of exogenous gibberellin in plant?

a) extreme stem elongation in dwarf plants

b) Increases  in stem thickness

c) decrease in leaf size

d) decreases in stem thickness

e) Increases in leaf size

f) pale green color of the leaves
TLS Online TPP Program

#Question id: 18735

#Part-A Aptitude & General Biotechnology

Phage based recombination systems are used for ____________
TLS Online TPP Program

#Question id: 19457

#Part-B Specialized Branches in Biotechnology

Which microscopy can be used for viewing live cells and unstained tissues?
1. Fluorescence microscopy
2. Phase contrast microscopy
3. Dark field microscopy
4. Differential interference microscopy
5. Confocal microscopy
Which of the above combinations of microscopy is correct?
TLS Online TPP Program

#Question id: 18920

#Part-A Aptitude & General Biotechnology

Which selection system is used in a yeast plasmid recombinant?