Genetic Code and Regulation Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes? 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 All of these RNA can both code genetic information and act as a catalyst 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? 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 AUG codes for methionine act as a propagation code initiation code elongation code termination code propagation code initiation code elongation code termination code ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is universal universal except for rare exceptions in mitochondria and some protozoa species-specific kingdom-specific universal universal except for rare exceptions in mitochondria and some protozoa species-specific kingdom-specific ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand? 5' UAAGCCU3' 5' TAACGGT 3' 5' ATTGCCA 3' 5' TGGCAAT 3' 5' UAAGCCU3' 5' TAACGGT 3' 5' ATTGCCA 3' 5' TGGCAAT 3' ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Bacterial protein called catabolic activator protein (CAP) is an example of second type of positive control of gene expression None of these positive control of gene expression negative control of gene expression second type of positive control of gene expression None of these positive control of gene expression negative control of gene expression ANSWER DOWNLOAD EXAMIANS APP