Genetic Code and Regulation Codon that specify the amino acids often differs in the first base second base none of these third base first base second base none of these third base 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 Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells All of these RNA can both code genetic information and act as a catalyst Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells All of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Four Two One Three Four Two One Three ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is degenerated. Which of the following codons represents the principle of degeneracy? UAA and UAC AUG and AUA UUA and UUC CAU and CAC UAA and UAC AUG and AUA UUA and UUC CAU and CAC 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 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 Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon? None of these Labeled peptide binding to a ribosome Mixed co-polymer mRNA synthesis In vitro synthesis of a polypeptide using UUUUU None of these Labeled peptide binding to a ribosome Mixed co-polymer mRNA synthesis In vitro synthesis of a polypeptide using UUUUU ANSWER DOWNLOAD EXAMIANS APP
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