Replication Web Quest - assignment PDF

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DNA Replication WebQuest http://www.wiley.com/college/pratt/0471393878/student/animations/dna_replication/index.html Click through the animation and answer the questions below as you go. Please make sure to differentiate your answers by either using a different color or bolding the answers. You may need to reference your notes for some answers. When you are finished, you will submit the assignment to Schoology. What is DNA replication? Fill in the blank: DNA Replication is __ which means that each new strand is half __ and half __. This was determined by the scientists __ and __. The correct answer for review question 1 is __ Section 3 – Describe each of the things in the items used in DNA replication listed below. Then answer the questions about those items that follow. Helicase SSB Primase Polymerase Sliding Clamp RNase H Ligase Rather than the term SSB, what term did we use for these proteins? We did not discuss a sliding clamp in class, what do you think would happen without them? What replaces the based that are removed by RNase H? What are the names of the strands that the ligase is connecting? Complete the matching section to move forward. What types of bonds does the helicase break? What is the replication fork? In what direction can DNA polymerase make new strand of DNA? Be very specific in your answer. What is needed prior to DNA polymerase synthesis of a new DNA strand? Compare and contrast the leading and lagging strands. Give 2 ways in which they are similar and 2 ways in which they are different. What fills in the gaps created by RNase H? Does the ligase require energy? In what form? In the factory model of DNA replication:

http://old.dnalc.org/resources/3d/07-how-dna-is-packaged-basic.html Why is it necessary for DNA to coil up? The process starts when DNA wraps around what? What is the combined loop of DNA and protein called? The “beads on a string make up what fiber? The chromatin fiber is coiled into what? What is the structure that is the end result of repetitive coiling? When are chromosomes found in cells? What is the called for the rest of the cell cycle when it is not in chromosomes? You can watch this video as many times as you need to in order to answer all the questions....