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Genetic Code and Regulation

Genetic Code and Regulation
AUG codes for methionine act as a

initiation code
elongation code
propagation code
termination code

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

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

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Genetic Code and Regulation
The genetic code is

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

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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?

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

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Genetic Code and Regulation
Translation begins

at the start codon
at the replication fork
on the lagging strand
in nucleus

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Genetic Code and Regulation
How many different codons are possible?

20
An infinite number
64
3

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