[DOC] [TLE] The DNA story | News | Chemistry World [PAR] The discovery of the structure of DNA was reported 50 years ago this month. ... 
Crick and Watson used model building to reveal the now famous double helix of 
... one human cell would, if laid end to end, make up a molecule of about 1m in 
length. ... It looked more and more as if proteins carried the genetic code, while 
DNA... [DOC] [TLE] The Discovery of the Molecular Structure of DNA - The Double Helix [PAR] Sep 30, 2003 ... Watson and Crick used stick-and-ball models to test their ideas on the possible 
structure of DNA. ... out important clues about the structures that make up the 
crystal. ... revealed the helical structure of DNA to Watson and Crick in 1953. ... 
yeast and animals  carry genetic information encapsulated as DNA. [DOC] [TLE] AveryMacLeodMcCarty experiment - Wikipedia [PAR] The AveryMacLeodMcCarty experiment was an experimental demonstration, 
reported in 1944 by Oswald Avery, Colin MacLeod, and Maclyn McCarty, that 
DNA is the substance that causes ... In their paper "Studies on the Chemical 
Nature of the Substance Inducing ... Maclyn McCarty (with Watson and Crick). [DOC] [TLE] HersheyChase experiment - Wikipedia [PAR] Confirmation and clarity came a year later in 1953, when James D. Watson and 
Francis Crick correctly hypothesized, in their journal article "Molecular Structure... [DOC] [TLE] History of molecular biology - Wikipedia [PAR] The history of molecular biology begins in the 1930s with the convergence of 
various, ... In 1953, James Watson and Francis Crick discovered the double 
helical structure ... The first studies the structure and function of the molecules 
which make up ... to the identification and naming of DNA as a substance distinct 
from RNA. [DOC] [TLE] Watson and Crick describe structure of DNA - PBS [PAR] He even suggested DNA might actually be the gene. ... Scientists still needed to 
figure out this molecule's structure to be sure, and to understand how it worked. ... 
The Cambridge team's approach was to make physical models to narrow ... In 
January, 1953, he showed Franklin's results to Watson, apparently without her... [DOC] [TLE] The science checklist applied: Solving DNA's double helix [PAR] DNA is a molecule found in the cells of all living creatures. ... parents, but no one 
knew what the genetic material that carried that information was. ... They thought 
that knowing DNA's structure would help explain how genes work. Uses testable 
ideas? Watson and Crick worked on the structure of DNA using wire models of... [DOC] [TLE] Watson and Crick: 3-D structure of DNA :: DNA from the Beginning [PAR] Animation in Concept 19: The DNA molecule is shaped like a twisted ladder, ... 
James Watson and Francis Crick explain how they solved the structure of DNA. ... 
In 1953, Francis and I published the first accurate model of the DNA molecule. ... 
repetitive sequence, it wouldn't be intelligent enough to carry any information. [DOC] [TLE] February 28: The Day Scientists Discovered the Double Helix ... [PAR] Feb 28, 2013 ... On a Saturday morning in 1953 Watson and Crick deduced the structure of DNA, 
... was the "transforming principle," the substance that carries genetic information. 
... felt that the chemical composition of DNA was far too simple to carry ... 
theoretical double helical model Watson and Crick were developing. [DOC] [TLE] The Francis Crick Papers: The Discovery of the Double Helix, 1951 ... [PAR] The discovery in 1953 of the double helix, the twisted-ladder structure of ... with 
understanding how genes control the chemical processes within cells. ... the 
method of model building in chemistry by which Watson and Crick were to 
uncover ... molecule could both produce exact copies of itself and carry genetic 
instructions. [DOC] [TLE] Heredity, Genes, and DNA - The Cell - NCBI Bookshelf [PAR] All organisms inherit the genetic information specifying their structure and 
function ... the foundation of our current understanding of biology at the molecular 
level. ... that of genes, leading to the conclusion that genes are carried on 
chromosomes. .... From these data, Watson and Crick built

Question: In 1953 Watson & Crick built a model of the molecular structure of this, the gene-carrying substance
Answer: DNA