Death Rays: What Duration of Ultraviolet Exposure Kills Bacteria? | Carolina.com

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Death Rays: What Duration of Ultraviolet Exposure Kills Bacteria?

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Death Rays: What Duration of Ultraviolet Exposure Kills Bacteria? is rated 4.1 out of 5 by 48.
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$6.60 - $22.50Qty Discount Available View Details

In this Science Buddies science project, you will observe the effects of short-term ultraviolet light exposure on bacteria. You can customize this experiment to include the nutrient agar plates, living K-12 E. coli, a glass spreader, and other supplies.

 
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Overview

Ultraviolet light can damage DNA molecules. If a cell's DNA repair mechanisms can't keep up with the damage, mutations are the result. As harmful mutations accumulate, the cell eventually dies. How much ultraviolet light is too much for a bacterial cell?

View the full project, background information, procedures, and more at ScienceBuddies.com

 

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Ratings & Reviews

Rated 3 out of 5 by from Nutrient Agar I purchased 3 packs of 10. Each pack had 1 or 2 broken tops; crushed where pieces of the plastic top were stuck in the agar. Fortunately I did not need more than were in great condition.
Date published: 2019-02-11
Rated 2 out of 5 by from Moldy Plates I'm glad that I only needed a few of the plates from this set because several of them had mold when they got to me, and seemed to pass it on to other plates the longer I waited to use them.
Date published: 2018-12-12
Rated 4 out of 5 by from Great customer service! Mold on several plates. Sara answered all of my questions, made great suggestions, and guided me through the process very skillfully. The plates arrived quickly; however, when we opened the lids, we found mold on three of the ten plates. Happy with everything except the mold.
Date published: 2018-11-14
Rated 5 out of 5 by from Arrived fresh The E-coli grew great! My child's project came off without a hitch.
Date published: 2018-11-08
Rated 1 out of 5 by from not sterile plates I bought these plates to save a few minutes before the lab. Unfortunately, the plates were contaminated and not sterile. 24/30 plates have growth on them.
Date published: 2018-10-27
Rated 5 out of 5 by from Prepared Nutrient Agar Plates worked Great! The prepared media plates arrived in a timely manner, very well packaged and every plate was sterile.
Date published: 2018-03-10
Rated 4 out of 5 by from Great product! Needed quality supplies for student experiments and this was just as described and delivered. Thank you!
Date published: 2018-02-27
Rated 5 out of 5 by from Excellent quality! I purchased these plates for my daughter's science fair project. I was very pleased with the delivery and the quality of the plates. Her project was a success! Thank you!
Date published: 2018-02-25
  • y_2019, m_2, d_16, h_23
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.11
  • cp_1, bvpage1
  • co_hasreviews, tv_5, tr_43
  • loc_en_US, sid_P_SB_FAM_UVEXPOS, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_carolina
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