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TLS Online TPP Program

#Question id: 3864

RNA polymerase:

#Part-A Aptitude & General Biotechnology

  1. binds tightly to a region of DNA thousands of base pairs away from the DNA to be transcribed.

  2. can synthesize RNA chains de novo (without a primer).

  3. has a subunit called lambda, which acts as a proofreading ribonuclease.

  4. separates DNA strands throughout a long region of DNA (up to thousands of base pairs), then copies one of them.

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TLS Online TPP Program

#Question id: 18868

#Part-A Aptitude & General Biotechnology

Prior to staining, which of the following is employed as a fixative in light microscopy?
TLS Online TPP Program

#Question id: 10508

#Part-B Specialized Branches in Biotechnology

Glandular trichomes store species-specific secondary metabolites in a pocket formed between the cell wall and the cuticle. These secondary metabolites are-
TLS Online TPP Program

#Question id: 19457

#Part-A Aptitude & General 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: 750

#Part-B Specialized Branches in Biotechnology

In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100°C, nucleic acids tend to:
TLS Online TPP Program

#Question id: 11952

#Part-B Specialized Branches in Biotechnology

Lysine is an essential amino acid for animals. If an animal did not consume lysine in its diet, you might expect that the animal