ASU BIO 181 Exam 2 (modules 7-12) Questions & Answers 2024

Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA. - CORRECT ANSWER-... Which enzyme unwraps the double helix? - CORRECT ANSWER-Helicase Which enzyme is used first to permit DNA polymerase III to begin replicating the 3' strand? - CORRECT ANSWER-Primase The double helix of DNA is wrapped around 1 3/4 times around which of these components? - CORRECT ANSWER-Nucleosome In the lagging strand, the DNA is read from the parental DNA's 3' to 5' end. - CORRECT ANSWER-True Which strand is produced more rapidly? - CORRECT ANSWER-Leading Strand During DNA replication in the lagging strand there is production of this component: - CORRECT ANSWER-Okazaki Fragment For DNA Polymerase III to work, which of these components has to act first? - CORRECT ANSWER-Primase DNA mutation is greatly reduced by enzymes that proof read the newly replicated DNA. - CORRECT ANSWER-True Strands of the backbone of DNA are parallel. - CORRECT ANSWER-False Uridine is a nucleotide in DNA. - CORRECT ANSWER-False Replication of DNA is semi-conservative. - CORRECT ANSWER-True The DNA polymerase that replicates the parental strand of DNA reads the parental DNA from 5' to 3' and makes a new DNA strand from 3' to 5'. - CORRECT ANSWER-False DNA replication in eukar