Genetic Code and Regulation How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence? Three Two Four One Three Two Four One 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 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 In vitro synthesis of a polypeptide using UUUUU None of these Labeled peptide binding to a ribosome Mixed co-polymer mRNA synthesis In vitro synthesis of a polypeptide using UUUUU None of these 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation In prokaryotes, AUG encodes N-formyl methionine a stop codon methionine alanine N-formyl methionine a stop codon methionine alanine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS