A researcher is analyzing the immune response of a patient following the patientʹs exposure to an unknown agent while out of the country. The patientʹs blood is found to have a high proportion of lymphocytes with CD8 surface proteins. What is the likely cause?

TLS Online TPP Program

#Question id: 15876

#Section 6: Plant, Animal and Microbial Biotechnology

The following growth regulators (GRs)- auxins, cytokinins, ABA and GA3 are used in plant tissue culture, The common range of concentrations used are as follows:

GROWTH REGULATOR(GRs)                                     CONCENTERATION

A) AUXIN                                                                       i) 0.1-3 mg/L

B) GA3                                                                          ii) 0.2 mg/L

C) CYTOKININ                                                           iii) 0.1-1 mg/L

D) ABA

TLS Online TPP Program

#Question id: 15877

#Section 6: Plant, Animal and Microbial Biotechnology

Zinc as micronutrient is used in culture media for____

TLS Online TPP Program

#Question id: 15878

#Section 6: Plant, Animal and Microbial Biotechnology

A vitamin which has been found to inhibit callus formation and improve growth and quality of shoots.

TLS Online TPP Program

#Question id: 15879

#Section 6: Plant, Animal and Microbial Biotechnology

During which Phase lasts about 3-4 cell generations (the time taken for doubling of cell number), and the duration of a cell generation may vary from 22-48 hr, depending mainly on the plant species?

TLS Online TPP Program

#Question id: 15880

#Section 6: Plant, Animal and Microbial Biotechnology

 Which one types of culture is ideal for the determination of effects of individual nutrients on cell growth and metabolism.

TLS Online TPP Program

#Question id: 15881

#Section 6: Plant, Animal and Microbial Biotechnology

Protoplast is____