In his infamous, genetic code-cracking experiment, what did Nirenberg use as a source of transla machinery (such as ribosomes)? O radiolabeled amino acids O purified tRNA molecules O a cell-free extract from bacteria O DNAse

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter9: Gene Expression And Gene Regulation
Section: Chapter Questions
Problem 4QP: If the genetic code uses triplets, how many different amino acids can be coded by a repeating RNA...
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In his infamous, genetic code-cracking experiment, what did Nirenberg use as a source of translation
machinery (such as ribosomes)?
O radiolabeled amino acids
O purified tRNA molecules
O a cell-free extract from bacteria
O DNAse
Transcribed Image Text:In his infamous, genetic code-cracking experiment, what did Nirenberg use as a source of translation machinery (such as ribosomes)? O radiolabeled amino acids O purified tRNA molecules O a cell-free extract from bacteria O DNAse
Nirenberg and others began to decipher a portion of the genetic code when they found that adding
This was then
mRNA molecules consisting of only
produced only the single amino acid,
repeated using other mRNA codon combinations.
O UUU; Met
O Phe; UUU
O UUU: Phe
O None of the above.
Transcribed Image Text:Nirenberg and others began to decipher a portion of the genetic code when they found that adding This was then mRNA molecules consisting of only produced only the single amino acid, repeated using other mRNA codon combinations. O UUU; Met O Phe; UUU O UUU: Phe O None of the above.
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