TLS Online TPP Program

#Question id: 28436


Primitive Groove is____

#Unit 5. Developmental Biology
  1. A funnel-shaped depression at the center of Hensen’s node through which cells migrate
  2. First morphological sign of gastrulation in amniotes
  3. A regional thickening of cells at the anterior end of the primitive streak
  4. a depression that serves as an opening through which migrating cells pass into the deep layers of the embryo
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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

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.