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 All of these RNA can both code genetic information and act as a catalyst Advanced cells lack RNA DNA and enzymes are only present in the most advanced cells All of these RNA can both code genetic information and act as a catalyst Advanced cells lack RNA ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Translation begins at the start codon in nucleus at the replication fork on the lagging strand at the start codon in nucleus at the replication fork on the lagging strand ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 64 3 20 An infinite number 64 3 20 An infinite number ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon? 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 Labeled peptide binding to a ribosome None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation The genetic code is degenerated. Which of the following codons represents the principle of degeneracy? CAU and CAC UAA and UAC UUA and UUC AUG and AUA CAU and CAC UAA and UAC UUA and UUC AUG and AUA ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In prokaryotes, AUG encodes alanine N-formyl methionine methionine a stop codon alanine N-formyl methionine methionine a stop codon ANSWER DOWNLOAD EXAMIANS APP
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