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 Gel electrophoresis Density gradient centrifugation Frameshift mutagenesis Restriction digests of the rII gene Gel electrophoresis Density gradient centrifugation Frameshift mutagenesis ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation Codon that specify the amino acids often differs in the third base second base first base none of these third base second base first base none of these 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 The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand? 5' TGGCAAT 3' 5' TAACGGT 3' 5' UAAGCCU3' 5' ATTGCCA 3' 5' TGGCAAT 3' 5' TAACGGT 3' 5' UAAGCCU3' 5' ATTGCCA 3' ANSWER DOWNLOAD EXAMIANS APP
Genetic Code and Regulation How many different codons are possible? 3 An infinite number 64 20 3 An infinite number 64 20 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? 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
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