TLS Online TPP Program

#Question id: 12144


Which statement regarding population growth rates is incorrect? 

#Unit 10. Ecological Principles
  1. Net reproductive rate is the expected total number of female offspring produced by an average female over the course of her life span
  2. The shorter the generation time, the faster population size can change
  3. If r0 < 1, then the population is decreasing
  4. If r > 1, then the population is decreasing
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TLS Online TPP Program

#Question id: 26491

#Unit 3. Fundamental Processes

Choose which of the following are responsible for the dephosphorylation of Ser2 & Ser5 respectively

TLS Online TPP Program

#Question id: 26492

#Unit 3. Fundamental Processes

he final RNA processing event, polyadenylation of the 3’end of the mRNA, is intimately linked with the termination of transcription. Just as with capping and splicing, the polymerase CTD tail is involved in recruiting some of the enzymes necessary for polyadenylation,

TLS Online TPP Program

#Question id: 26493

#Unit 3. Fundamental Processes

Splicing is an……….. reaction reaction that proceeds through a …………….intermediate (fill in the blanks)

TLS Online TPP Program

#Question id: 26494

#Unit 3. Fundamental Processes

Class and abundance is given Match them correctly

 Class Abundance
 a. Nuclear pre-mRNA 1. Rare; nuclear rRNA in some eukaryotes, organelle genes, and a few prokaryotic genes 
 b. Group II introns 2. Rare; some eukaryotic genes from organelles and prokaryotes
 c. Group I introns 3. Very common; used for most eukaryotic genes

TLS Online TPP Program

#Question id: 26495

#Unit 3. Fundamental Processes

Which of the following is (are) required for splicing to occur?
a. two transesterification reactions
b. intact, naturally occurring introns
c. formation of a lariat like structure 
d. a branch-point G residue

TLS Online TPP Program

#Question id: 26496

#Unit 3. Fundamental Processes

Two transesterification reactions takes place for 2 exon -1 intron configuration. Choose the correct  statement
a. First transesterification is always caused by exon 1 -3’OH
b. second transesterification is catalysed variably either by external G or branch point while .
c. First transesterification is catalysed variably either by external G or branch point while 
d. second transesterification is always caused by exon 1 -3’OH.