Genetic Code and Regulation Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon? Mixed co-polymer mRNA synthesis In vitro synthesis of a polypeptide using UUUUU Labeled peptide binding to a ribosome None of these Mixed co-polymer mRNA synthesis In vitro synthesis of a polypeptide using UUUUU Labeled peptide binding to a ribosome None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In prokaryotes, AUG encodes a stop codon alanine methionine N-formyl methionine a stop codon alanine methionine N-formyl methionine 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? Density gradient centrifugation Gel electrophoresis Frameshift mutagenesis Restriction digests of the rII gene Density gradient centrifugation Gel electrophoresis Frameshift mutagenesis Restriction digests of the rII gene 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? Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells RNA can both code genetic information and act as a catalyst All of these Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells RNA can both code genetic information and act as a catalyst All of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In protein synthesis in prokaryotes 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 the initiating amino acid is methionine the initiating amino acid is phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In some organelles in eukaryotes, the genetic code for some codons are same 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 ANSWER DOWNLOAD EXAMIANS APP
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