Download presentation
Presentation is loading. Please wait.
1
13.2 Replication of DNA I. DNA Copied
A. _____________ – creating new DNA copy 1. DNA must unwind a. DNA helicases – enzymes that unzip DNA 2. _____________fork – where DNA separates and copies itself 3. DNA polymerase moves along both sides of unzipped DNA a. creates 2 new DNA _____________ b. continues to copy until signaled to stop c. does contain a proofreading feature that allows to backspace and correct errors
3
4. DNA is not copied from one end to other end
a. this would take 16 days to copy a single DNA molecule of a fruit fly b. instead it only takes 3 minutes with thousands of replication bubbles _____________ at once c. in humans it would take 33 days to replicate a _____________ d. instead it takes only around 8 hours
4
II. _____________ & Eukaryotic Replication
A. In __________replication starts at a single site & in eukaryotes it starts in thousands of sites at once
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.