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TLS Online TPP Program

#Question id: 863

Ubiquitinated proteins are proteolytically degraded in an ATP-dependent process mediated by a large (∼2500 kD, 26S) multiprotein complex named the 26S proteasome;

#Part-B Specialized Branches in Biotechnology

  1. A hollow cylindrical core, known as the 20S proteasome, which is covered at one or both ends by a 19S cap.

  2. The yeast 20S proteasome, which is closely similar to other eukaryotic 20S proteasomes, is composed of Ten different types of α-like subunits.

  3. The yeast 20S proteasome, which is closely similar to other eukaryotic 20S proteasomes, is composed of seven different types of α-like subunits and seven different types of β-like subunits.

  4. The α-type subunits and the β-type subunits are structurally similar, only three of the β-type subunits have proteolytic activity.

    Choose any one incorrect option.

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TLS Online TPP Program

#Question id: 19929

#Part-B Specialized Branches in Biotechnology

he growth of an organism on glucose is described by the following Monod model parameters: μm = 0.5 h-1 and Ks =0.1 g.l-1, if the concentration of glucose in the feed is 10 g.l-1 and the dilution rate is set to 0.4 h-1, then the steady state concentration of glucose in the effluent will be
TLS Online TPP Program

#Question id: 19954

#Part-B Specialized Branches in Biotechnology

A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be
TLS Online TPP Program

#Question id: 19955

#Part-B Specialized Branches in Biotechnology

A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.
TLS Online TPP Program

#Question id: 19955

#Part-A Aptitude & General Biotechnology

A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.
TLS Online TPP Program

#Question id: 20043

#Part-B Specialized Branches in Biotechnology

The exponential phase may be described by the equation _______
TLS Online TPP Program

#Question id: 20044

#Part-B Specialized Branches in Biotechnology

In a batch sterilization process if ∇overall , ∇heating & ∇cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121ºC of the process is (given that the specific death rate (k) of microorganisms at 121ºC is 2.54 min-1 ):