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Genetic Code and Regulation

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

termination code
none of these
initiation code
propagation code

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

second base
first base
third base
none of these

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Genetic Code and Regulation
Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes?

Advanced cells lack RNA
RNA can both code genetic information and act as a catalyst
All of these
DNA and enzymes are only present in the most advanced cells

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Genetic Code and Regulation
In protein synthesis in prokaryotes

None of these
the initiating amino acid is phenyl alanine
the initiating amino acid is N- formyl methionine
the initiating amino acid is methionine

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

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