The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight.  How many molecules of membrane lipid are there for each molecule of protein?  (Assume that the average protein is Mr 50,000 and the average lipid is 750.)

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#Question id: 4626

#XL - S Microbiology

Neo-Darwinism suggest evolutionary concept by

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#Question id: 4626

#XL - T Zoology

Neo-Darwinism suggest evolutionary concept by

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#Question id: 4627

#XL - S Microbiology

Which of the following is not one of Charles Darwin's observations?

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#Question id: 4627

#XL - T Zoology

Which of the following is not one of Charles Darwin's observations?

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#Question id: 4628

#XL - T Zoology

Which group is composed entirely of individuals who maintained that species are fixed (i.e., unchanging)?

A) Linnaeus

B) Lyell

C) Darwin

D) Aristotle

E) Cuvier

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#Question id: 4629

#XL - S Microbiology

In the mid-1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to ever-colder temperatures, would eventually give rise to ever more cold-tolerant winter wheat. Lysenkoʹs attempts in this regard were most in agreement with the ideas of