TLS Online TPP Program

#Question id: 1874


Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?

#Section 2: General Biology
  1. AIDS

  2. Complete DiGeorge syndrome

  3. Purine nucleoside phosphorylase (PNP) deficiency

  4. Severe protein-calorie malnutrition

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TLS Online TPP Program

#Question id: 13199

#Section 6: Plant, Animal and Microbial Biotechnology

The non-reducing sugar sucrose is most commonly translocated in the phloem rather than reducing sugar. Why?
a.) because they are less reactive than their reducing counterparts
b.) because sucrose contains more energy than a monosaccharides
c.) because the ketone or aldehyde group is reduced to an alcohol or combined with a similar group on another sugar so as not to be oxidized 
Which one of the following statements is true about translocation of non-reducing sugar?

TLS Online TPP Program

#Question id: 13200

#Section 6: Plant, Animal and Microbial Biotechnology

In the modification of translocation pathways, Interference with a translocation pathway by wounding or pruning can alter the patterns established by proximity and vascular connections. In the absence of direct connections between source and sink, vascular interconnections, called

TLS Online TPP Program

#Question id: 14090

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is an example of a primary protein sequence database?

TLS Online TPP Program

#Question id: 14091

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

An example of a composite database:

TLS Online TPP Program

#Question id: 14103

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

GenBank, the nucleic acid sequence database is maintained by

TLS Online TPP Program

#Question id: 14104

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

All the following are nucleotide sequence databases except