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DNA Damage: Studying the Impact of UV Light

6 Items Exclusive This product is exclusive to Carolina Biological Supply. With Digital This kit includes 1-year access to digital resources including videos, digital teacher’s manuals, printable student guides, interactive lessons, editable assessment questions, and more.
$9.95 - $131.70 View Details

Explaining the importance of DNA repair systems in your classroom doesn't always click with students. Help shine a light on this concept, literally, by having your students observe the impact of ultraviolet (UV) light on yeast strains. This kit uses 2 yeast strains, wild-type and a UV-sensitive mutant, with an inquiry-based approach to get your students talking about the importance of DNA repair systems and the impact of UV damage. Available in 1- and 8-station kits.
 
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Overview

After investigating the effect ultraviolet light has on different strains of yeast cells, students design an experiment to test the effectiveness of different ultraviolet preventatives.

PE: HS-LS3-2
Time Requirement: 3 45-minute Class Periods

SEP: Planning and Carrying out Investigations
CCC: Cause and Effect; Engaging in Argument from Evidence
DCI: LS3.B: Variation of Traits

A fresh inquiry update to our popular Sunscreen for Yeast - and People Too! Kit

  • Directly demonstrate the importance of DNA repair systems
  • Meaningful real-world connection for students
  • Learn how to best prevent/minimize exposure to ultraviolet (UV) light

Using a UV-sensitive mutant strain of the yeast Saccharomyces cerevisiae, students investigate the impact of UV light on living organisms. The S. cerevisiae mutant strain is extremely sensitive to UV light because it lacks an effective method for repairing damaged DNA. In the first activity, students determine the impact of UV light on 2 strains of yeast, wild-type and UV-sensitive. After understanding the true impact of UV light, students then have the opportunity to design their own inquiry investigation to determine how to best prevent UV damage to the UV-sensitive yeast strain. In the second activity, these investigations can have students testing various sunscreens, cloth samples, or myriad other options of their own choosing. This entire activity is accomplished in 3 to 4 class periods and will truly give you a great starting point for discussing DNA repair systems and the impact of UV light on the human body. The 8-Station Kit includes enough materials for 32 students working in groups of 4. The 1-Station Kit includes materials for 1 group of 4 students. Note: Order the kit with perishable materials included or with a prepaid coupon to request perishables later at your convenience. Contact us or return the coupon to request delivery of perishable materials.

 

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