TLS Online TPP Program

#Question id: 1563


A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

#Part-A Aptitude & General Biotechnology
  1. respond to circulating viral antigens

  2. lyse tumor cells

  3. stimulate a cytotoxic T cell

  4. interact with a class II MHC-antigen complex

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TLS Online TPP Program

#Question id: 10362

#Part-B Specialized Branches in Biotechnology

Bacteria can convert atmospheric nitrogen into ammonia, Several form symbiotic associations with higher plants is given below;

               HOST PLANT                                                                          N-FIXING SYMBIONTS

A) Gunnera                                                                            i) Frankia

      B) Azolla                                                                                ii) Acetobacter

C) Leguminous                                                                     iii) Azospirillum

             D) Actinorhizal                                                                      iv) Nostoc

             E) Sugarcane                                                                         v) Anabaena

             F) Miscanthus                                                                       vi) Sinorhizobium


Which of the following combination with the host plants and n-fixing symbionts is CORRECT?

TLS Online TPP Program

#Question id: 3009

#Part-B Specialized Branches in Biotechnology

 Endospores are

TLS Online TPP Program

#Question id: 831

#Part-B Specialized Branches in Biotechnology

Lysosomes therefore also have a selective pathway, which is activated that imports and degrades cytosolic proteins containing the pentapeptide sequences such as;

TLS Online TPP Program

#Question id: 3251

#Part-A Aptitude & General Biotechnology

Looking at 3 allele per locus and following Hardy Weinberg equilibrium what will be the expected heterozygosity if q1=0.5, q2=0.3, q3=0.2

TLS Online TPP Program

#Question id: 8915

#Part-A Aptitude & General Biotechnology

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by