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Genetic Code and Regulation

Genetic Code and Regulation
AUG codes for methionine act as a

elongation code
propagation code
initiation code
termination code

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

Four
One
Three
Two

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

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

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Genetic Code and Regulation
Crick demonstrated that the genetic code involved three bases and suggested that the code was degenerated. What experimental technique Crick conducted to suggest genetic code degeneration?

Gel electrophoresis
Frameshift mutagenesis
Density gradient centrifugation
Restriction digests of the rII gene

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Genetic Code and Regulation
The genetic code is

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

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

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

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