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#Question id: 356

How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?

#XL - Q Biochemistry

  1. Both have 6.02 × 10^23 molecules.

  2. Sucrose has 171 molecules, whereas glucose has 90.

  3. Both have 3.01 × 10^23 molecules.

  4. Sucrose has 171 mg/L, whereas glucose has 90 mg/L.

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#Question id: 813

#XL - Q Biochemistry

Which of the following does NOT impose limits on protein folding?
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#Question id: 5761

#XL - S Microbiology

E. coli cells were spread on an agar plate, producing 1000 colonies.  The colonies are replica plated on two agar plates containing the antibiotic kanamycin and one agar plate without antibiotics.  All of the colonies are able to grow on the agar plate without antibiotic but only 4 colonies are able to grow on each of the agar plates containing kanamycin.  You notice that the four colonies that grew on each of the kanamycin containing plates are in the exact same position.  This demonstrates
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#Question id: 1114

#XL - Q Biochemistry

Sutherland discovered that the signaling molecule epinephrine is responsible for which of the following events?
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#Question id: 19499

#XL - P Chemistry

 The atomic orbital is ————–
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#Question id: 4594

#XL - S Microbiology

Which one of the following observations did Darwin first make during his discovery of evolution?