In the diagram below, a logarithmic scale of sizes is shown. Indicate which of the sizes indicated (A to H) better corresponds to the dimensions of each of the following. Your answer would be a three-letter string composed of letters A to H only, e.g. HCG.

( ) A bacterium
( ) An animal cell
( ) A globular protein

Question

In the diagram below, a logarithmic scale of sizes is shown. Indicate which of the sizes indicated (A to H) better corresponds to the dimensions of each of the following. Your answer would be a three-letter string composed of letters A to H only, e.g. HCG.
  
( )	A bacterium
( )	An animal cell
( )	A globular protein

Quizplus · Accepted Answer

F
C
 A typical animal cell (F) is between 10 to 20 micrometers in diameter. This is an order of magnitude larger than a typical bacterium (E). A typical globular protein (C) is much smaller, only a few nanometers in diameter.

In the Diagram Below, a Logarithmic Scale of Sizes Is