Genetic Code and Regulation In protein synthesis in prokaryotes the initiating amino acid is methionine the initiating amino acid is phenyl alanine None of these the initiating amino acid is N- formyl methionine the initiating amino acid is methionine the initiating amino acid is phenyl alanine None of these the initiating amino acid is N- formyl methionine 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? All of these Advanced cells lack RNA RNA can both code genetic information and act as a catalyst DNA and enzymes are only present in the most advanced cells All of these Advanced cells lack RNA RNA can both code genetic information and act as a catalyst DNA and enzymes are only present in the most advanced cells ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 3 An infinite number 64 20 3 An infinite number 64 20 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Codon that specify the amino acids often differs in the third base first base none of these second base third base first base none of these second base ANSWER DOWNLOAD EXAMIANS APP
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? Restriction digests of the rII gene Frameshift mutagenesis Density gradient centrifugation Gel electrophoresis Restriction digests of the rII gene Frameshift mutagenesis Density gradient centrifugation Gel electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Three Four Two One Three Four Two One ANSWER DOWNLOAD EXAMIANS APP