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 Frameshift mutagenesis Restriction digests of the rII gene Gel electrophoresis Density gradient centrifugation Frameshift mutagenesis Restriction digests of the rII gene Gel electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In prokaryotes, AUG encodes N-formyl methionine methionine alanine a stop codon N-formyl methionine methionine alanine a stop codon ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is species-specific kingdom-specific universal except for rare exceptions in mitochondria and some protozoa universal species-specific kingdom-specific universal except for rare exceptions in mitochondria and some protozoa universal ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon? Labeled peptide binding to a ribosome In vitro synthesis of a polypeptide using UUUUU Mixed co-polymer mRNA synthesis None of these Labeled peptide binding to a ribosome In vitro synthesis of a polypeptide using UUUUU Mixed co-polymer mRNA synthesis None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Translation begins at the replication fork in nucleus on the lagging strand at the start codon at the replication fork in nucleus on the lagging strand at the start codon 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 All of these RNA can both code genetic information and act as a catalyst DNA and enzymes are only present in the most advanced cells Advanced cells lack RNA All of these RNA can both code genetic information and act as a catalyst ANSWER DOWNLOAD EXAMIANS APP