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Genetic Code and Regulation

Genetic Code and Regulation
In prokaryotes, AUG encodes

N-formyl methionine
methionine
a stop codon
alanine

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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
None of these
Labeled peptide binding to a ribosome
In vitro synthesis of a polypeptide using UUUUU

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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
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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Genetic Code and Regulation
Bacterial protein called catabolic activator protein (CAP) is an example of

negative control of gene expression
None of these
positive control of gene expression
second type of positive control of gene expression

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Genetic Code and Regulation
Translation begins

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

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