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 Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells RNA can both code genetic information and act as a catalyst All of these Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells RNA can both code genetic information and act as a catalyst ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Two Four One Three Two Four One Three 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 Restriction digests of the rII gene Density gradient centrifugation Frameshift mutagenesis Gel electrophoresis Restriction digests of the rII gene Density gradient centrifugation Frameshift mutagenesis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The codons which do not specify an amino acid are called propagation code none of these termination code initiation code propagation code none of these termination code initiation code ANSWER DOWNLOAD EXAMIANS APP
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 genetic code is degenerated. Which of the following codons represents the principle of degeneracy? UAA and UAC AUG and AUA CAU and CAC UUA and UUC UAA and UAC AUG and AUA CAU and CAC UUA and UUC ANSWER DOWNLOAD EXAMIANS APP