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Genetic Code and Regulation

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
AUG and AUA
CAU and CAC

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Genetic Code and Regulation
In prokaryotes, AUG encodes

a stop codon
alanine
N-formyl methionine
methionine

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Genetic Code and Regulation
The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?

5' TGGCAAT 3'
5' TAACGGT 3'
5' ATTGCCA 3'
5' UAAGCCU3'

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Genetic Code and Regulation
Translation begins

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

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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?

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

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Genetic Code and Regulation
AUG codes for methionine act as a

termination code
initiation code
elongation code
propagation code

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