Genetic Code and Regulation Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon? 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 In vitro synthesis of a polypeptide using UUUUU 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 positive control of gene expression negative control of gene expression None of these second type of positive control of gene expression positive control of gene expression negative control of gene expression None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 20 An infinite number 64 3 20 An infinite number 64 3 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is species-specific kingdom-specific universal except for rare exceptions in mitochondria and some protozoa universal species-specific kingdom-specific universal except for rare exceptions in mitochondria and some protozoa universal 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? 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 RNA can both code genetic information and act as a catalyst ANSWER DOWNLOAD EXAMIANS APP
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