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TLS Online TPP Program

#Question id: 4133

Which of the following statements about aminoacyl-tRNA synthetases is false?

#Unit 3. Fundamental Processes

  1. Some of the enzymes have an editing/proofreading capability.

  2. The enzyme attaches an amino acid to the 3' end of a tRNA.

  3. The enzyme splits ATP to AMP + PPi.

  4. The enzyme will use any tRNA species, but is highly specific for a given amino acid.

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TLS Online TPP Program

#Question id: 12371

#Unit 10. Ecological Principles

Succession results from disturbance by fire.
TLS Online TPP Program

#Question id: 33500

#Unit 2. Cellular Organization

What C represents as shown in figure
TLS Online TPP Program

#Question id: 24476

#Unit 3. Fundamental Processes

Which of the following is correctly representing the position of  TATA box 
TLS Online TPP Program

#Question id: 29440

#Unit 6. System Physiology – Plant

Nitrogenase is a complex consisting of the 
(a) MoFe protein (dinitrogenase or component I) a heterotetramer
(b) the Fe protein (dinitrogenase reductase or component II) a heterotetramer
(c) MoFe protein (dinitrogenase or component I) a homodimer.
(d) the Fe protein (dinitrogenase reductase or component II) a homodimer

Which of the following is correct 
TLS Online TPP Program

#Question id: 551

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes differ from other catalysts in that only enzymes: