Genetic Code and Regulation How many different codons are possible? 64 An infinite number 3 20 64 An infinite number 3 20 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The codons which do not specify an amino acid are called none of these termination code initiation code propagation code none of these termination code initiation code propagation code 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? 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 All of these DNA and enzymes are only present in the most advanced cells Advanced cells lack RNA 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 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 Mixed co-polymer mRNA synthesis 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 Density gradient centrifugation Restriction digests of the rII gene Gel electrophoresis Frameshift mutagenesis Density gradient centrifugation Restriction digests of the rII gene ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Three One Four Two Three One Four Two ANSWER DOWNLOAD EXAMIANS APP
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