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Exploring Enzymes and Evolution Through Lactose Intolerance Kit

Product Highlights
  • Real-world connections
  • Use glucose test strips to measure enzyme activity
  • Materials for 8 groups of up to 4 students
(in stock)


Product Details
Provide a hands-on enzyme lab that incorporates real-world aspects about lactose intolerance. This lab integrates topics including evolution, single-nucleotide polymorphisms, geography, physiology, and the use of controls. Students test baby formula, milk, and other controls in the presence and absence of lactase, and measure the activity of the enzyme by using glucose test strips. Materials are sufficient for 8 groups of students working in groups of up to 4. Can be completed in two 20–30 minute sessions.

Product Features

  • Hands-on enzyme lab
  • Use glucose test strips to measure enzyme activity
  • Materials for 8 groups of up to 4 students
  • Time requirement, two 20–30 minute sessions


What’s Included:
  • 1 Sodium Phosphate Buffer pH 4, 25 mL
  • 1 Sodium Phosphate Buffer pH 6, 50 mL
  • 1 Sodium Phosphate Buffer pH 8, 25 mL
  • 1 Sodium Phosphate Buffer pH 9, 25 mL
  • 1 Lactose, 10 g
  • 1 Glucose, 0.3 g
  • 12 Lactase Tablets
  • 2 Glucose Test Strips, Pack of 100
  • 6 Color Charts (for glucose test strips)
  • 1 Dried Milk, 1 qt
  • 1 Dried Baby Formula, 1 Pack
  • 170 Microcentrifuge Tubes
  • 200 Bulb Pipets, 1 mL
  • 1 Teacher’s Manual with Reproducible Student Guide
Needed But Not Included:
  • 1 Distilled or Deionized Water, 250 mL
  • 1 Paper Towels, Roll
  • 2 Bottles with Caps, 100 mL
  • 1 Bottle with Cap, 60 mL
  • 1 Bottle with Cap, 120 mL
  • 72 Tests Tubes with Caps (or other small capped containers, for aliquoting lactase suspension, sodium phosphate/lactose solutions of different pH, milk, baby formula, glucose control solution, and distilled or deionized water)
  • 1 Balance (accurate to 0.01g)
  • 8 Test Tube Racks
  • 8 Permanent Markers
  • 8 Microcentrifuge Tube Racks (optional)
  • 8 Pipetting Device and Pipets (optional, for aliquoting)
Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.

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