BIO 181 Exam 3 Questions and Answers Grand Canyon University
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BIO 181 GRAND CANYON UNIVERSITY EXAM 3 QUESTIONS AND ANSWERS NEW UPDATE 2024 1. A frameshift mutation could result from E) either an inser- tion or a deletion of a base. 2. Which of the follow... ing does not occur in prokaryotic eukaryotic gene expression, but does in eukaryotic gene expression? 3. Which of the following helps to hold the DNA strands apart while they are being replicated? 4. Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on specificity in the 5. Cytosine makes up 42% of the nucleotides in a sam- ple of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine? C) A poly-A tail is added to the 3' end of an mRNA and a cap is added to the 5' end. single-strand bind- ing proteins bonding of the anticodon to the codon and the at- tachment of amino acids to tRNAs 8% 6. What is the function of DNA polymerase III? to add nucleotides to the 3' end of a growing DNA strand 7. A new DNA strand elongates only in the 5' to 3' direc- tion because DNA polymerase can only add nu- cleotides to the free 3' end. 8. How do we describe transformation in bacteria? assimilation of ex- ternal DNA into a cell 9. What is the function of topoisomerase? [Show More]
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