Lab-Aids: Individual DNA and Nucleic Acid Modeling Kit
This kit allows a student to construct a model of an 8-rung ladder segment of a DNA molecule and then build a molecular model of the basic components of the nucleotides of RNA and DNA. This Lab-Aid combines the features of the Molecular Model of DNA and its Replication (LAB-AIDS‚® No.71) and Nucleic Acid Molecular Structure (LAB-AIDS‚® No. 513) for an individual student. All components are reusable and the nucleotides (when using more than one kit) can be linked together to form a DNA model. A set of instructions for constructing the models is included with each packet. This activity is an excellent review of these concepts.
Scientific Concepts:
- Individualize DNA model
- Build a molecular model of basic components of the nucleotides of RNA and DNA
Content List:
- 1 Student Instruction Manual
- 4 Adenine (A) (orange)
- 49 Covalent plastic bonds
- 4 Cytosine (C) (blue)
- 16 Deoxyribose sugar groups (black)
- 4 Guanine (G) (yellow)
- 8 Hydrogen bonds
- 16 Phosphate groups (white tubes)
- 19 Single electron hydrogen atoms (white)
- 10 Carbon (black), tetrahedral centers
- 5 Nitrogen (red), tetrahedral centers
- 11 Oxygen (blue), tetrahedral centers
- 1 Phosphorous (purple), tetrahedral centers
- 4 Thymine (T) (green), tetrahedral centers
Classroom Planning:
- To complete this kit requires two to three ~50-minute class periods
- Number of groups: 1
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