TLS Online TPP Program

#Question id: 20846


Nitrate is energetically the best electron acceptor under anoxic conditions and is generally used preferentially by which type of microbes?

#SCPH06 I Botany
  1. Denitrifying microorganisms
  2. Nitrifying microorganisms
  3. Nitrogen-fixing microorganisms
  4. Decomposers
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TLS Online TPP Program

#Question id: 15197

#SCPH06 I Botany

In the following pedigree shows the segregation of two different recessive traits.

Assuming that both traits are 10 cM apart on the X chromosome, what is the probability that a male child will have both recessive traits?

TLS Online TPP Program

#Question id: 14166

#SCPH05 I Biotechnology

Stoichiometric equations are used to represent growth of microorganisms provided a ' molecular formula' for the cells is available. The molecular formula for biomass is obtained by measuring the amounts of C, N, H, O and other elements in cells. For a particular bacterial strain, the molecular formula was determined to be C4.4H7.30 1.2N0.86 . These bacteria are grown under aerobic conditions with hexadecane (C16H34) as substrate. The reaction equation describing growth is:

                             

You have been put in charge of a small fermenter for growing the bacteria and aim to produce 2.5 kg of cells for inoculation of a pilot-scale reactor. What minimum amount of hexadecane substrate must be contained in your culture medium? 

TLS Online TPP Program

#Question id: 352

#SCPH06 I Botany

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.

TLS Online TPP Program

#Question id: 1743

#SCPH05 I Biotechnology

The main costimulatory signal for activation of resting T-cells is provided by ligation of:

TLS Online TPP Program

#Question id: 27832

#Research Methodology

Which country launched the ‘Beidou’ satellite navigation system?