[DOC] [TLE] The Genetic Code - HyperPhysics [PAR] The genetic code by which DNA stores the genetic information consists of "
codons" of ... With four possible bases, the three nucleotides can give 43 = 64 
different ... of amino acids for protein construction with the help of transfer RNA or 
tRNA. ... The letters are held to the board by the magnetic forces, but those forces 
do not... [DOC] [TLE] The Three Roles of RNA in Protein Synthesis - Molecular Cell ... [PAR] ... correct order, as encoded in DNA, is the key to production of functional proteins
. ... Transfer RNA (tRNA) is the key to deciphering the code words in mRNA. ... 
Messenger RNA Carries Information from DNA in a Three-Letter Genetic Code 
..... Once a tRNA is loaded with an amino acid, codon-anticodon pairing directs 
the... [DOC] [TLE] Chapter 9 Flashcards | Quizlet [PAR] This experiment cracked the first codon of the genetic code showed that RNA .... 
Each strand of DNA or RNA has a 5' and 3' end, so named for the carbons on the 
.... The first few amino acid of the proteins are the signal sequence that directs the 
... tRNA carries amino acids to proper locations within the growing polypeptide... [DOC] [TLE] heredity - Expression of the genetic code: transcription and ... [PAR] Jul 17, 2015 ... DNA in the cell nucleus carries a genetic code, which consists of sequences of 
adenine (A), thymine  ... Hence, the growing point of the RNA chain is the 3 
end, and .... Each of the three letters in a codon can be filled by any one of the .... 
In this situation, protein production is either inhibited or it occurs at... [DOC] [TLE] Specialized Cell Structure and Function: Protein Synthesis - Infoplease [PAR] mRNA (messenger RNA) is transcribed from DNA and carries the genetic ... tRNA 
(transfer RNA) interprets the three-letter codons of the nucleic acids to the one-
letter ... or Golgi apparatus and are used to transport substances through the cell. 
... To order this book direct from the publisher, visit the Penguin USA website or... [DOC] [TLE] Nirenberg and Matthaei experiment - Wikipedia [PAR] The Nirenberg and Matthaei experiment was a scientific experiment performed 
on May 15, ... Adding an artificial form of RNA, poly-U, to this extract caused it to 
make a protein ... George Gamow suggested that the genetic code was made of 
three ... with other nucleotides, they could direct the production of other amino 
acids. [DOC] [TLE] Genetic Code facts, information, pictures | Encyclopedia.com articles ... [PAR] Get information, facts, and pictures about Genetic Code at Encyclopedia.com. ... 
RNA also uses a four letter alphabet when it reads and transcribes DNA 
instructions during protein ... Any single set of three nucleotides is called a codon 
, and the set of all possible three-nucleotide ... Each tRNA carries a specific 
amino acid. [DOC] [TLE] Ch. 13 presentation - Google Slides - Google Docs [PAR] Nucleic acid that receives instructions from DNA to direct the production of 
proteins.  ... read 3 letters at a time; each 3-letter code specifies one amino acid
... [DOC] [TLE] Transcription and Translation of a Gene [PAR] Explain how DNA directs protein synthesis and the roles of DNA and proteins .... 
The production of cellular proteins requires two major processes. ... is "CAU" 
which is the anticodon on a transfer RNA that carries the amino acid valine. ... 
The code for all possible three-letter codons on mRNA is shown in the blue table 
below. [DOC] [TLE] Deoxyribonucleic acid (DNA) - Science in Context - Gale [PAR] Genes direct the function of all organs and systems in the body. ... specific 
trinucleotide sequencessequences of three nucleotidesare codes for .... 
Each cell (except the sex cells) in the new person carries DNA identical to that in 
... In the genetic code the letters are the four bases A, C, G, and T (or U instead of 
T in RNA). [DOC] [TLE] Glossary :: DNA from the Beginning [PAR] Talking Glossary of Genetic Terms from National Human Genome Research 
Institute. ...

Question: This 3-letter substance that carries the genetic code directs the production of RNA
Answer: DNA