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Condensation often gathers in the bottom of agar slants. why is it important in this exercise to limit condensation on plates but not on slant

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Answer:

Because condensation on the slant effects the bacterial growth in the test tube.

Explanation:

  • When agar is solidify in the test tube tilted, it takes a shape of slide on one side of the tube which is known as slat.
  • Slant is used instead of petri dishes because they provide more surface area for growth.
  • Water in the slat can invade the test tube, making agar unstable and the bacterial growth on the slat will be affected by moisture in bottom of slant.
  • In petri dishes, it is no big problem of moisture condensation.

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