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TLS Online TPP Program
#Question id: 1604
#Section 2: General Biology
Many viruses produce a protein immunoevasin that interferes with antigen presentation by MHC class I molecules. The immunoevasin interfere MHC presentation by
TLS Online TPP Program
#Question id: 14609
#Section 5: Bioprocess Engineering and Process Biotechnology
According to Hofmeister series, which anions series are correct in decreasing order according to their effectiveness in causing precipitation?
TLS Online TPP Program
#Question id: 12993
#Section 2: General Biology
Out of these which of the following is true regarding the propensity of α-helix.
a. any amino acid which can take up desirable ϕ and ψ angle close to -57 and -47 will favour the formation of a α-helix
b. amino acid such a proline and glycine have lowest propensity will favour formation of α-helix.
c. if the resultant change in the value ΔΔG0 is positive then it will favour the formation of α-helix.
d. if the resultant change in the value ΔΔG0 is zero or close to zero then it will favour the formation of α-helix.
TLS Online TPP Program
#Question id: 540
#Section 4: Fundamentals of Biological Engineering
During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue. The most important reaction involved in the reoxidation of NADH is:
TLS Online TPP Program
#Question id: 15868
#Section 6: Plant, Animal and Microbial Biotechnology
If the culture is kept in stationary phase for a prolonged period, the cells may die. Why?
a) due to the time taken for doubling of cell number
b) duration of a cell generation is too large, depending mainly on the plant species.
c) stationary phase is forced on the culture by a depletion of the nutrients
d) due to an accumulation of cellular wastes