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Genetic Code and Regulation

Genetic Code and Regulation
Translation begins

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

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

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

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Genetic Code and Regulation
The genetic code is

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

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Genetic Code and Regulation
In prokaryotes, AUG encodes

N-formyl methionine
alanine
a stop codon
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?

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

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

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

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