TLS Online TPP Program

#Question id: 7307


Which of the following statements regarding flowering plants is correct?

#Unit 5. Developmental Biology
  1. The gametophyte is the dominant generation.
  2. Female gametophytes develop from megaspores within the anthers.
  3. Pollination is the delivery of pollen to the stigma of a carpel.
  4. The food-storing endosperm is derived from the cell that contains one polar nucleus and two sperm nuclei.
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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.