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? Restriction digests of the rII gene Frameshift mutagenesis Gel electrophoresis Density gradient centrifugation Restriction digests of the rII gene Frameshift mutagenesis Gel electrophoresis Density gradient centrifugation ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is degenerated. Which of the following codons represents the principle of degeneracy? UUA and UUC AUG and AUA CAU and CAC UAA and UAC UUA and UUC AUG and AUA CAU and CAC UAA and UAC 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 Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome None of these In vitro synthesis of a polypeptide using UUUUU Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 20 An infinite number 3 64 20 An infinite number 3 64 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The codons which do not specify an amino acid are called propagation code initiation code none of these termination code propagation code initiation code none of these termination code ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Bacterial protein called catabolic activator protein (CAP) is an example of positive control of gene expression None of these negative control of gene expression second type of positive control of gene expression positive control of gene expression None of these negative control of gene expression second type of positive control of gene expression ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS