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Genetic Code and Regulation

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

One
Three
Four
Two

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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
at the start codon
in nucleus
on the lagging strand

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

propagation code
termination code
none of these
initiation code

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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
UAA and UAC
AUG and AUA
UUA and UUC

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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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