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DNA INTRODUCTION:
Page 1 

Teachers, Students, Home School Scholars, and Inquiring Minds of all ages --

Here we take a brief glimpse of what DNA looks like and how it relates to chromosomes.

DNA is the double strand with a twist (helix) link a circular staircase.  When certain proteins attach themselves to the DNA, it all coils ups into 'superhelixes' that we call chromosomes.  While DNA strands are not visible without electron microscopes which are capable of very powerful magnification, chromosomes are easily visible with light microscopes found in many laboratories.

The DNA strand codes for a set series of genes interspersed with regions that allow regulation of the genes or replication of the DNA. 

 

DNA INTRODUCTION: Page 1 

DNA Introduction Links of choice:
Biochemistry - DNA basics (textbook by Berg, Tymoczko, and Lubert) on the National Institutes of Health website
Wikipedia - DNA
DNA From the Very Beginning - concept = DNA  ladder
DNA From the Very Beginning - concept = DNA sequence

 

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