Protein structural motifs often have general functions in common.  Which one of the following motifs is known to be involved in protein dimer formation, but not in direct protein-DNA interactions?

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#Question id: 2062

#SCPH01 Biochemistry

Which of the following types of molecules lack hydrophilic domains?

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#Question id: 3662

#SCPH06 I Botany

______________ refers change to the DNA that affects expression of a gene but is not inherited.

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#Question id: 818

#SCPH01 Biochemistry

Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?

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#Question id: 6976

#SCPH06 I Botany

What is the major concern of using retroviral vectors to deliver or activate pluripotent genes?

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#Question id: 14266

#SCPH05 I Biotechnology

For the activated-sludge, the specific growth rate of cells is given by 

 

The following parameter values are known: F = 500 l/h, α = 0.4, ɣ = 0.1, Xe = 0, V = 1500 l, Ks = 10 mg/l, µm = 1 h-1 , kd = 0.05 h^-1 , S0 = 1000 mg/l, Y M X/S = 0.5 g dw/g substrate.. Calculate the cell concentration in the reactor.