Lab-Aids: Molecular Model of DNA and its Replication Kit - STEMfinity

Lab-Aids: Molecular Model of DNA and its Replication Kit

Lab-Aids SKU: LAB-71
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Lab-Aids: Molecular Model of DNA and its Replication Kit

This basic introduction to the double helix model of DNA uses simple components developed exclusively by LAB-AIDS‚®. Those unique components include:‚ 
  • Double nitrogen pyrimidine bases are constructed proportionately larger in diameter than the single nitrogen purine bases 
  • Bases are linked by a unique hydrogen bond 
  • The deoxyribose sugar is pentagon-shaped, its actual structure 

Twelve eight-rung models can be constructed with each kit. Or, attach individual models together to form a giant double helix model that will be more than nine feet long! Includes 30 student worksheets, 1 instruction manual, and 12 packets of color-coded components.

Scientific Concepts:
  • Build a segment of the DNA molecule and see what a double helix is like
  • Model can be "unzipped" allowing for replication of DNA segment

Content List:
  • 1 Teacher's Guide
  • 36 Student Worksheets and Guides
  • 16 Deoxyribose-sugar groups-black linkage
  • 8 Hydrogen bonds opaque rods
  • 8 Nitrogen (purine) bases
  • 8 Nitrogen (pyrimidine) bases
  • 16 Phosphate groups white tubes
  • 12 Color-coded components packets containing: 4 Adenine (A) orange tubes, 4 Cytosine (C) blue tubes, 4 Guanine (G) yellow tubes, 4 Thymine (T) green tubes

Classroom Planning:
  • To complete this kit requires one ~50-minute class period
  • Number of students: 36

 
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