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Genetic Code and Regulation

Genetic Code and Regulation
In prokaryotes, AUG encodes

a stop codon
methionine
alanine
N-formyl methionine

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Genetic Code and Regulation
Crick demonstrated that the genetic code involved three bases and suggested that the code was degenerated. What experimental technique Crick conducted to suggest genetic code degeneration?

Gel electrophoresis
Restriction digests of the rII gene
Frameshift mutagenesis
Density gradient centrifugation

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Genetic Code and Regulation
Codon that specify the amino acids often differs in the

third base
second base
none of these
first base

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

propagation code
termination code
initiation code
none of these

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Genetic Code and Regulation
AUG codes for methionine act as a

propagation code
termination code
initiation code
elongation code

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Genetic Code and Regulation
How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence?

Three
Four
Two
One

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