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DNA Mini Model
DNA Mini Model
DNA Mini Model


 
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Starting at: $178.00

Grade Levels
Middle School
High School
Undergraduate

Warnings
Choking Hazard
Science Education Product
California Proposition 65



Availability: Please allow 4 weeks for production and shipping.
Product Code: DNA4FMM
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Description Contents Teacher Resources
 

A captivating representation of the classic DNA double helix, this 3-D mini model will spark discussions about the structure of DNA and the role of modeling in the molecular biosciences.

Our DNA Mini Model immediately engages your students in thinking about the structure of DNA. You can guide a discussion of the nature of models and the usefulness of multiple representations of any molecular structure. The DNA molecular structure represents the classic DNA double helix in multiple formats.

The bottom section of this DNA double helix model shows a surface format emphasizing major and minor grooves. Details of the structure of DNA progressively emerge as the model thins, gradually revealing individual atoms in the middle section while highlighting nucleotide bases at the top.

The model transforms from the bottom surface section into a large spacefill format featuring the CPK coloring scheme*. The diameter proceeds to gradually decrease to a small spacefill format, finally revealing the individual atoms in the nitrogenous bases. From there the model transforms into a wireframe format at the top, which emphasizes the individual nucleotide bases while retaining its spacefill backbone features.

Bottom surface section

  • White with red emerging on the backbone

*Middle spacefill section CPK Coloring Scheme

  • Gray represents carbon
  • Red represents oxygen
  • Blue represents nitrogen
  • White represents hydrogen
  • Orange represents phosphate

Top wireframe section

  • Blue represents guanine
  • Yellow represents cytosine
  • Red represents cytosine
  • Green represents thymine

DNA (deoxyribonucleic acid) is the genetic code for life. It is a double helix with 2 antiparallel strands made up of alternating sugar and phosphate groups. This sugar-phosphate backbone holds the nitrogenous base pairs. There are 4 DNA bases: adenine pairs with thymine and cytosine pairs with guanine. The nitrogenous bases form a code that is replicated and then transcribed to ultimately make the proteins that are essential for life.

The 1962 Nobel Prize in Physiology or Medicine was awarded jointly to Francis Harry Compton Crick, James Dewey Watson and Maurice Hugh Frederick Wilkins "for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material".

The 8'' model is made of plaster by 3-D printing and should be handled with care. Mini models will break if dropped, held tightly or handled roughly. Its PDB file is Daves-DNA.pdb.


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