The force driving simple diffusion is:

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#Question id: 3333

#Section 3: Genetics, Cellular and Molecular Biology

The flipper of whale and the wings of bats represent a case of

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#Question id: 14265

#Section 5: Bioprocess Engineering and Process 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 substrate concentration (S) in the reactor at steady state. -------------------------

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#Question id: 3576

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following most accurately restates Mendel's law of segregation?

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#Question id: 16023

#Section 6: Plant, Animal and Microbial Biotechnology

Cells which have undergone transformation frequently become

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#Question id: 14407

#Section 2: General Biology

Most gram-negative bacteria are not as susceptible to penicillin as gram-positive bacteria are because