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Chapter 4 Blog: General Features of Cells (Garielle)

Page history last edited by Garielle Wagnac 13 years, 8 months ago

In the first section of this page, you will write a daily summary of that day's class.  For example in  your chapter 2 blog, your first entry should be titled 9/3/10.  You should then write a one or two paragraph summary of that day's lecture, outlining the major points.  In the second section, you are required to add two items (link to a website, video, animation, student-created slide show, student-created PowerPoint presentation) and one journal article pertaining to a topic in this chapter.  A one-paragraph summary must accompany each item describing the main idea and how it applies to the lecture topic.  Please see the PBWorks help guide for assistance embedding video and other items directly in the page.  I will also produce a how-to video on using tables to wrap text around items and other useful tips.  Please see the syllabus for organization and grading details.


A.  Daily Blog


9/22/10 - In class we started going over Chapter 4. It is about cells and what the organelles within the cell do. I learned that prokaryotic and eukaryotic cells are drastically different. Not only are their general structures different but the organelles (present, abundance) are different. Because of this difference it makes their jobs as cells different. We can safely infer that eukaryotic cells do a lot of work and contribute a major factor on our lives. Organelles like smooth and rough endoplasmic reticulum, RNA, and the golgi apparatus play a huge role. RNA is especially important when it comes to the formation of proteins.

     We discussed with our seat buddy why certain isotopes can not be used to track the formation of proteins because of the bonds made. Like carbon and oxygen isotopes would not used because they are found in abundance in proteins.  The class now knows that we need to read the book and actually remember what we read. No one wants to lose the two attempts for the assignments on the ebook site. Maybe next class we will be better. :)


9/24/10 -  In today's class we started of talking about protein trafficking which has to do with how the proteins arrive in to the cytoplasm. We talked with our partners first on how we thought protein trafficking was. Suma and I looked at the powerpoint  and learned that there is an ER  peptide signal that binds to the end of the protein and the SRP (signal recognition protein) attaches to the ribosomes. The SRP then moves the protein to the cytoplasm and then detaches itself. With our partner we figured out if the ER peptide signal was mostly hydrophobic or hydrophilic. After we discussed what we learned with our partners we then started chapter 5. The texting poll we started with showed how confused we are about phospholipids because most of us chose the wrong answer fort he poll, including myself.  I truly enjoyed finding out the meeting went well and that we would be receiving iPods for the class. It will make class that much more interesting thats for sure and no one would come late to class becasue of printing things out.

B.  Useful Materials


Protein Trafficking This video is truly helpful. It describes what the golgi apparatus does and then shows a magnificent animation to help understand. 


Basic Animal Cell


Video describes the organelles within an animal cell and their functions. It does a good job of showing you the protein moving to the ribosomes. Good way to just know the basic reason for why the organelles are there.


Protein controls trafficking of dendritic membrane proteins

This protein is tested to see what job the protein did in neuronal proteins. In non neuronal cells, if the protein is not active then the trans network of the golgi apparatus carrries will not fuse. 

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