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TLS Online TPP Program

#Question id: 4424

The nuclear-synthesized poly-A sequence at the 3′ end of eukaryotic messenger RNA is

#Unit 3. Fundamental Processes

  1. attached at random sequences within the 3′ non-translated region of a pre-mRNA

  2. found also as a common feature in rRNA and tRNA

  3. transcribed from poly-T sequences in template DNA

  4. added after 3′ end cleavage of the pre-mRNA transcript

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TLS Online TPP Program

#Question id: 23890

#Unit 13. Methods in Biology

Which of the following is an essential element of plasmids used as cloning vectors?
a. a centromere
b. a telomere
c. an origin of replication
d. a drug resistance gene
TLS Online TPP Program

#Question id: 10259

#Unit 1. Molecules and their Interaction Relevant to Biology

Which molecule has the largest dipole moment?
TLS Online TPP Program

#Question id: 1819

#Unit 4. Cell Communication and Cell Signaling

The largest number of deaths from infectious diseases are caused by:
TLS Online TPP Program

#Question id: 4009

#Unit 3. Fundamental Processes

If cultured cells are incubated with 14C-min all the rRNAs simultaneously.
TLS Online TPP Program

#Question id: 29426

#Unit 6. System Physiology – Plant

Kcat value of CO2  fixed per second per molecule of rubisco at 250C is