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: 15175

#XL - S Microbiology

The cell membranes of psychrophilic microorganisms have high levels of _______ and remain semifluid when cold.

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#Question id: 15177

#XL - S Microbiology

Several mechanisms in alkalophiles for the maintenance of a neutral cytoplasmic pH have been proposed. The plasma membrane may be

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#Question id: 15178

#XL - S Microbiology

What does Salmonella typhimurium and E. coli synthesize as part of their acidic tolerance response.

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#Question id: 15179

#XL - S Microbiology

Escherichia coli, Neisseria gonorrhoeae, Trichomonas vaginalis bacterias are examples of

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#Question id: 15180

#XL - S Microbiology

A sterilization procedure known as autoclaving can kill bacteria except

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#Question id: 15181

#XL - Q Biochemistry

In which kind of electrophoresis, analyte can move in either direction?

1. Gel Electrophoresis

2. PAGE

3. Free Solution

4. Capillary