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? Density gradient centrifugation Gel electrophoresis Restriction digests of the rII gene Frameshift mutagenesis Density gradient centrifugation Gel electrophoresis Restriction digests of the rII gene Frameshift mutagenesis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes? DNA and enzymes are only present in the most advanced cells 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 Advanced cells lack RNA RNA can both code genetic information and act as a catalyst All of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is species-specific universal except for rare exceptions in mitochondria and some protozoa universal kingdom-specific species-specific universal except for rare exceptions in mitochondria and some protozoa universal kingdom-specific ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? An infinite number 64 20 3 An infinite number 64 20 3 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Codon that specify the amino acids often differs in the none of these second base third base first base none of these second base third base first base ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In protein synthesis in prokaryotes None of these the initiating amino acid is phenyl alanine the initiating amino acid is methionine the initiating amino acid is N- formyl methionine None of these the initiating amino acid is phenyl alanine the initiating amino acid is methionine the initiating amino acid is N- formyl methionine ANSWER DOWNLOAD EXAMIANS APP
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