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Genetic Code and Regulation

Genetic Code and Regulation
AUG codes for methionine act as a

termination code
propagation code
elongation code
initiation code

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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?

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

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Genetic Code and Regulation
The genetic code is

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

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Genetic Code and Regulation
The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?

AUG and AUA
UUA and UUC
CAU and CAC
UAA and UAC

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

Two
Four
One
Three

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Genetic Code and Regulation
In prokaryotes, AUG encodes

alanine
N-formyl methionine
a stop codon
methionine

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