Posts Tagged ‘Biology’

Lec 25 | MIT Introductory Biology 7014, Spring 2005

February 12th, 2010

Recombinant DNA II (Prof. Graham Walker) View the entire course: ocw.mit.edu License: Creative Commons BY-NC-SA More information about courses ocw.mit.edu ocw.mit.edu More

http://www.youtube.com/watch?v=EO9SMD6fIsI&hl=en

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Biology: DNA replication: a summary

January 17th, 2010

www.mindbites.com In this lesson, the teacher Wolfe, provides a comprehensive overview of DNA replication, from its structure. DNA has a double helix structure of nucleotides, the "out of a sugar, phosphate and soil. The filaments are antiparallel, ie, going in opposite directions, as in Chapter 5 'and 3' beach known. DNA is the method is semi-conservative replication. Professor Wolf explains how DNA polymerase in one direction, from 3 to read 'to …

http://www.youtube.com/watch?v=bdc3T8droNo&hl=en

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Lec 23 | MIT 7.014 Introductory Biology, Spring 2005

November 6th, 2009

Cell cycle that I talked about. Lee Hartwell in particular, has helped us understand that there is a so-called G1 phase, which might be thought as a preparation for DNA synthesis for what appears the name of S-phase of DNA synthesis effectively. And now you’re at 4N. They have doubled the DNA content, and there is G2, where corrected by S-phase, gets ready for mitosis mitosis and, if you do, then the daughter chromatids separate, go back to 2N, and then eventually the cell shares. …

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