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Genetic Code and Regulation

Genetic Code and Regulation
The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?

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

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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
UAA and UAC
AUG and AUA

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Genetic Code and Regulation
In prokaryotes, AUG encodes

a stop codon
alanine
methionine
N-formyl methionine

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Genetic Code and Regulation
The genetic code is

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

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Genetic Code and Regulation
In protein synthesis in prokaryotes

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

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

first base
third base
none of these
second base

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