A rapidly growing bacterial species such as E. coli exhibits a typical phase of growth cycle in liquid nutrient broth. If a bacterial culture has starting density 1000 cells/ml in log phase and after four hours cell density is 4000 cells/ml.  What is specific growth rate per hour? 

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#Question id: 186

#XL - T Zoology

What will be the net charge on given peptide at pH 5?

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#Question id: 186

#XL - P Chemistry

What will be the net charge on given peptide at pH 5?

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#Question id: 189

#XL - T Zoology

Because coenzymes are specific for the chemical groups that they accept and donate, they are referred to as

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#Question id: 190

#XL - T Zoology

Ca++ or Mg++ are most likely to be part of ________, while Zn++ or Fe++ are present in ________.

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#Question id: 191

#XL - T Zoology

The role of zinc in the mechanisms of carbonic anhydrase is to

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#Question id: 192

#XL - T Zoology

What is the role of the magnesium ion in kinases that require the magnesium-ATP complex to donate phosphoryl groups?