List of top Biotechnology Questions

Which of the following best explains the absence of immune response to self-antigens under normal physiological conditions?
Inosine in the tRNA anticodon will base pair with all except which one of the following bases in the codon of mRNA?
In the thymus, positive selection of T cells ensures:
The primary function of MHC class I molecules is to present:
Which of the following precursors is added to the medium to get penicillin G?
Which one of the following is not a deficiency disorder?
The Cytokinin receptor is:
An operon is:
What is the pH of the medium when sucrose is used as substrate for the production of citric acid?
What is the primary disadvantage of using spinner flasks for hybridoma culture?
Innate immunity is mediated by:
Cell suspension cultures are usually derived from:
Optimization of which of the following nutrients is most critical for anthocyanin production in plant suspension cultures?
Which factor most critically determines the attachment efficiency of animal cells on microcarriers?
Which one of the following is the most suitable type of impeller for mixing high viscosity (viscosity is greater than 10 power 5 cP) fluids?
Which one of the following is a signaling receptor?
Which of the following factors most strongly influences the expression of totipotency in plant tissue culture?
Polymerases are available with proof reading activity. Which of the following are the characteristics of these types of polymerases?
Which of the following is a plant growth inhibitor rather than a promoter?
Which one of the following matrices can be used to identify distantly related homologs?
Vortexing in a stirred tank reactor can be prevented by using:
The plasmid pBR322 contains two antibiotic resistance genes:
Exact mass and sequence of proteins and peptides can be measured by:
A patient with hyper-IgM syndrome likely has a defect in:
Which immunodeficiency is X-linked and affects BTK kinase?