Download Model Guide - College of DuPage Library

SCI-VON
TM
DMA Model Kit
Instruction Guide
CIRCDESK
MODEL
QP
624
S35
2013
guide
2013 Paragon Educational Resources, LLC
All Rights Reserved
Finished Model Configuratio
Modeling the Structure of DNA
At its most basic level, the DNA molecule is made up of
two sugar-phosphate backbones and a series of nitrogen
base pairs that all twist to form a double helix.
Your model has two side rails that have been painted to
represent the sugar-phosphate backbone of the DNA
molecule. The sugar (ribose) portion has been painted
white and the phosphate portion has been left clear. •
Double helix (partially
uncoiled)
The four nitrogen bases found in each,DNA molecule
(Adenine, Thymine, Cytosine, and Guanine) are
represented in your model using four different colors.
The two base pair combinations of Adenine-Thymine
and Cytosine-Guanine can be assembled using red-yellow
and blue-green rungs (for either).
As shown on the following page, the model can be
uncoiled and unwound from its double helix configuration
into a ladder-like configuration and then "unzipped" to
reveal its replication forks.
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Library
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Ladder ("zipped")
Ladder ("unzipped")
Finished Model Configurations
Double helix (partially
uncoiled)
Ladder ("zipped")
•
Ladder ("unzipped")
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