Bio 181 Grand Canyon University Exam 3 | 50 Questions with 100% Correct Answers

A frameshift mutation could result from - ANS - E) either an insertion or a deletion of a base. Which of the following does not occur in prokaryotic eukaryotic gene expression, but does in eukaryotic gene expression? - ANS - C) A poly-A tail is added to the 3' end of an mRNA and a cap is added to the 5' end. Which of the following helps to hold the DNA strands apart while they are being replicated? - ANS - single-strand binding proteins Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on specificity in the - ANS - bonding of the anticodon to the codon and the attachment of amino acids to tRNAs Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine? - ANS - 8% What is the function of DNA polymerase III? - ANS - to add nucleotides to the 3' end of a growing DNA strand