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Genetic Code and Regulation

Genetic Code and Regulation
In prokaryotes, AUG encodes

alanine
a stop codon
N-formyl methionine
methionine

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Genetic Code and Regulation
Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon?

Labeled peptide binding to a ribosome
None of these
In vitro synthesis of a polypeptide using UUUUU
Mixed co-polymer mRNA synthesis

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Genetic Code and Regulation
The codons which do not specify an amino acid are called

termination code
propagation code
initiation code
none of these

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Genetic Code and Regulation
The genetic code is

universal
species-specific
kingdom-specific
universal except for rare exceptions in mitochondria and some protozoa

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Genetic Code and Regulation
AUG codes for methionine act as a

elongation code
termination code
propagation code
initiation code

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Genetic Code and Regulation
In some organelles in eukaryotes, the genetic code for some codons

are same
differs from that used in prokaryotes
None of these
are partially same

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