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Genetic Code and Regulation

Genetic Code and Regulation
The codons which do not specify an amino acid are called

propagation code
initiation code
termination code
none of these

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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
second type of positive control of gene expression
positive control of gene expression

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

Two
One
Four
Three

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

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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
None of these
Mixed co-polymer mRNA synthesis
Labeled peptide binding to a ribosome

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Genetic Code and Regulation
Codon that specify the amino acids often differs in the

third base
first base
none of these
second base

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