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TLS Online TPP Program

#Question id: 4162

Which statement is false concerning aminoacyl-tRNA synthetase?

#Unit 3. Fundamental Processes

  1. It recognizes only one amino acid, but may recognize more than one tRNA.

  2. It requires a conversion from ATP to ADP.

  3. Hydrolysis of pyrophosphate essentially makes its reaction irreversible.

  4. Some synthetases bind the anticodon and others do not.

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TLS Online TPP Program

#Question id: 8925

#Unit 9. Diversity of Life Forms

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
TLS Online TPP Program

#Question id: 23442

#General Aptitude

You are returning home from school. On the way, you find a sealed envelope in a street, fully addressed with unused stamps on it You would:
TLS Online TPP Program

#Question id: 17072

#Unit 12. Applied Biology

Plastic Film, Teflon (fluoroethylenepropylene copolymer) is biologically inert and are extensively used for monolayer and suspension cultures as thry are
TLS Online TPP Program

#Question id: 670

#Unit 1. Molecules and their Interaction Relevant to Biology

The distance along a helix axis for one complete turn is called the ________.
TLS Online TPP Program

#Question id: 3859

#Unit 3. Fundamental Processes

Polyadenylation is: