A fermentation slurry containing Streptomyces kanamyceticus cells is filtered using a continuous rotary vacuum filter. 120 kg h^{- 1} slurry is fed to the filter; 1 kg slurry contains 60 g cell solids. To improve filtration rates, particles of diatomaceous-earth filter aid are added at a rate of 10 kg h^{- 1}. The concentration of kanamycin in the slurry is 0.05% by weight. Liquid filtrate is collected at a rate of 112 kg h^-1; the concentration of kanamycin in the filtrate is 0.045% (w/w). Filter cake containing cells and filter aid is continuously removed from the filter cloth.

 What percentage liquid is the filter cake?

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#Question id: 31202

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

What does the "guide tree" represent in Multiple Sequence Alignment?

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#Question id: 2110

#Section 2: General Biology

According to the fluid mosaic model of cell membranes, phospholipids:

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#Question id: 10150

#Section 2: General Biology

Light controls the assembly of chloroplast enzymes into supramolecular complexes one of the enzyme such as Glyceraldehyde-3-P dehydrogenase, this enzyme acivity is dependent on

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#Question id: 14413

#Section 2: General Biology

Which of the following cannot be used to sterilize a heat-labile solution stored in a plastic container?

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#Question id: 2064

#Section 2: General Biology

What kinds of molecules pass through a cell membrane most easily?