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 None of these Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome In vitro synthesis of a polypeptide using UUUUU None of these Mixed co-polymer mRNA synthesis Labeled peptide binding to a ribosome ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Bacterial protein called catabolic activator protein (CAP) is an example of 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 second type of positive control of gene expression ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? An infinite number 64 20 3 An infinite number 64 20 3 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is species-specific universal except for rare exceptions in mitochondria and some protozoa universal kingdom-specific species-specific universal except for rare exceptions in mitochondria and some protozoa universal kingdom-specific 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 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 ANSWER DOWNLOAD EXAMIANS APP
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