Some given facts regarding effector molecules such as;

a) HC-toxin-induced plasma membrane hyperpolarization in guard cells causes massive K+ uptake and permanent stomatal opening

b) Xanthomonas, are proteins that target the plant cell nucleus and causes change in gene expression, called transcription activator-like (TAL) effectors bind to the host plant DNA and activate the expression of genes

c) Fusicoccin, a cyclic peptide, acts on the enzyme histone deacetylase in the nucleus, and may have a compromising effect on the expression of genes involved in defense

d) Gibberellins accelerate growth, resulting in bigger plants when compared with uninfested plants. The gibberellins produced by the fungi are identical to those produced endogenously by the plant

Which of the following combination is incorrect?

TLS Online TPP Program

#Question id: 15474

#Section 4: Fundamentals of Biological Engineering

The overall reaction for microbial conversion of glucose to L-glutamic acid is:

C₆H₁₂O₆ + NH₃ + 3/2O₂ C₅H₉NO₄ + CO₂ + 3H₂O

(glucose)                            (glutamic acid)

What mass of oxygen is required to produce 15 g glutamic acid?

TLS Online TPP Program

#Question id: 15475

#Section 4: Fundamentals of Biological Engineering

Production of single-cell protein from hexadecane is described by the following reaction equation:

C₁₆H₃₄ + aO₂ + bNH₃ cCH_l.66O_0.27N0_.20 + dCO ₂ + eH₂O

where CH _1.660_0.27N_0.20 represents the biomass. If RQ= 0.43, determine the stoichiometric coefficients.

TLS Online TPP Program

#Question id: 15476

#Section 6: Plant, Animal and Microbial Biotechnology

Industrial production of amino acids are done because they are used extensively in the 

1. flavor enhancers

2. Fabric

3. nutritional supplements

4. feed additives

5. medicine 

Choose the most appropriate option

TLS Online TPP Program

#Question id: 15477

#Section 6: Plant, Animal and Microbial Biotechnology

Why these metabolites are manufactured by microbial fermentation rather than chemical synthesis 

TLS Online TPP Program

#Question id: 15478

#Section 6: Plant, Animal and Microbial Biotechnology

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

TLS Online TPP Program

#Question id: 15479

#Section 6: Plant, Animal and Microbial Biotechnology

Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli