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 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 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Two Three Four One Two Three Four One ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In protein synthesis in prokaryotes None of these the initiating amino acid is methionine the initiating amino acid is N- formyl methionine the initiating amino acid is phenyl alanine None of these the initiating amino acid is methionine the initiating amino acid is N- formyl methionine the initiating amino acid is phenyl alanine 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? Gel electrophoresis Restriction digests of the rII gene Density gradient centrifugation Frameshift mutagenesis Gel electrophoresis Restriction digests of the rII gene Density gradient centrifugation Frameshift mutagenesis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In prokaryotes, AUG encodes N-formyl methionine a stop codon methionine alanine N-formyl methionine a stop codon methionine alanine ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In some organelles in eukaryotes, the genetic code for some codons None of these differs from that used in prokaryotes are partially same are same None of these differs from that used in prokaryotes are partially same are same ANSWER DOWNLOAD EXAMIANS APP