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TLS Online TPP Program

#Question id: 4058

The mechanism of pre-tRNA splicing differs in from the mechanisms used by self-splicing introns and spliceosomes as

#Unit 3. Fundamental Processes

  1. Splicing of pre-tRNAs is catalyzed by proteins, not by RNAs

  2. Splicing of pre-tRNAs is self catalyzed

  3. Splicing of pre-tRNAs is catalyzed by set of ribosomal RNA

  4. Splicing of pre-tRNAs is catalyzed in trans splicing manner

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TLS Online TPP Program

#Question id: 19824

#Unit 12. Applied Biology

Several biochemical reactions heading to the production of active oxygen species, phytoalexin biosynthesis occurs due to
TLS Online TPP Program

#Question id: 12785

#Unit 10. Ecological Principles

Which of the following members of a marine food chain occupies a similar tropic level to a grasshopper in a terrestrial food chain?
TLS Online TPP Program

#Question id: 32345

#Unit 1. Molecules and their Interaction Relevant to Biology

TIGAR is an enzyme which 
A. inhibits glycolysis
B. reduces reactive oxygen species (ROS), 
C. anti-apoptosis
Which of the above statements are correct
TLS Online TPP Program

#Question id: 1835

#Unit 4. Cell Communication and Cell Signaling

The HIV nef protein affects antigen presentation by:
TLS Online TPP Program

#Question id: 2739

#Unit 2. Cellular Organization

With respect to remodeling complex of nucleosome, which of the following is not true?