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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
initiation code
none of these
propagation code

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

second base
first base
none of these
third base

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Genetic Code and Regulation
AUG codes for methionine act as a

initiation code
termination code
propagation code
elongation code

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

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

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Genetic Code and Regulation
In some organelles in eukaryotes, the genetic code for some codons

differs from that used in prokaryotes
are same
are partially same
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?

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

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