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 Mixed co-polymer mRNA synthesis None of these In vitro synthesis of a polypeptide using UUUUU Labeled peptide binding to a ribosome Mixed co-polymer mRNA synthesis None of these 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 negative control of gene expression None of these positive control of gene expression second type of positive control of gene expression negative control of gene expression None of these positive control of gene expression ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 64 20 3 An infinite number 64 20 3 An infinite number 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? RNA can both code genetic information and act as a catalyst Advanced cells lack RNA All of these DNA and enzymes are only present in the most advanced cells RNA can both code genetic information and act as a catalyst Advanced cells lack RNA All of these DNA and enzymes are only present in the most advanced cells ANSWER DOWNLOAD EXAMIANS APP
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