TLS Online TPP Program

#Question id: 1005


The first step in the de novo biosynthesis of IMP is a reaction between glutamine and PRPP. Which statement is not true about this reaction?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. An amine group is attached to the anomeric carbon atom of the ribose ring.

  2. The configuration of the anomeric carbon atom is inverted from β to α.

  3. A pyrophosphate is lost from PRPP.

  4. The reaction is catalyzed by glutamine-PRPP aminotransferase.

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TLS Online TPP Program

#Question id: 33503

#Unit 2. Cellular Organization

Match the following

     

TLS Online TPP Program

#Question id: 33504

#Unit 2. Cellular Organization

The techniques to identify the presence of exons can be based
A. Alignment algorithms 
B. Splicing reactions
C. Analysing ortholog
D. Zoo Blotting

TLS Online TPP Program

#Question id: 33505

#Unit 2. Cellular Organization

Identification process of the presence of exons are hampered by

TLS Online TPP Program

#Question id: 33506

#Unit 2. Cellular Organization

A. Gene order is much less conserved compared with gene sequences
B. Comparative genomics is the comparison of gene order
C. Synteny analysis is a best way to analyze gene order
D. comparison of syntenic relationships is normally carried out between relatively close lineages.

Find correct order of true and false combination

TLS Online TPP Program

#Question id: 33507

#Unit 2. Cellular Organization

A. Non-Mendelian inheritance is defined by the failure of the offspring of a mating to display Mendelian segregation for parental characters. 
B. For Non-Mendelian inheritance, presence of genes that are outside the nucleus and are not distributed to gametes or to daughter cells by segregation on the meiotic or mitotic spindles.

TLS Online TPP Program

#Question id: 33508

#Unit 2. Cellular Organization

Suppose that, in a female organism, damage to one mitochondrial genome occurs in a germ cell from which oocytes develop, such that the germ cell contains mainly mitochondria with wild-type genes but one mitochondrion with a mutant gene. Its inheritance will be