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 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 DNA and enzymes are only present in the most advanced cells Advanced cells lack RNA ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In some organelles in eukaryotes, the genetic code for some codons differs from that used in prokaryotes None of these are same are partially same differs from that used in prokaryotes None of these are same are partially same ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In protein synthesis in prokaryotes the initiating amino acid is N- formyl methionine the initiating amino acid is methionine None of these the initiating amino acid is phenyl alanine the initiating amino acid is N- formyl methionine the initiating amino acid is methionine None of these the initiating amino acid is phenyl alanine 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? In vitro synthesis of a polypeptide using UUUUU None of these Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome In vitro synthesis of a polypeptide using UUUUU None of these Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome 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 Frameshift mutagenesis Restriction digests of the rII gene Density gradient centrifugation Gel electrophoresis Frameshift mutagenesis Restriction digests of the rII gene Density gradient centrifugation ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Translation begins at the start codon on the lagging strand in nucleus at the replication fork at the start codon on the lagging strand in nucleus at the replication fork ANSWER DOWNLOAD EXAMIANS APP
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