TLS Online TPP Program

#Question id: 3344


Which of the following statements is NOT correct regarding effect of genetic drift?

#Unit 11. Evolution and Behavior
  1. Probability which allele is fixed or lost per generation is greater in large population

  2. Non directional random fluctuation

  3. It reduce genetic variation within populations

  4. It caused fixation of neutral allele

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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.

TLS Online TPP Program

#Question id: 26497

#Unit 3. Fundamental Processes

There are three type of Splicing signals 1. Major U2-type or GU-AG introns 2. Minor U12-type or AU-AC introns & 3. Minor U12-type with GU-AG introns (hybrid type), which of the following is responsible for the recognition of branch point sequence UACUAAC?


TLS Online TPP Program

#Question id: 26498

#Unit 3. Fundamental Processes

Which of the following shows correct bond pattern in Lactose and Allolactose