LEC 1 (10)

LEC 1 (10) - MCB 136 Professor Terry Machen Lecture 10 ASUC...

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Unformatted text preview: MCB 136 Professor Terry Machen 2/24/09 Lecture 10 ASUC Lecture Notes Online is the only authorized note-taking service at UC Berkeley. Do not share, copy or illegally distribute (electronically or otherwise) these notes. Our student-run program depends on your individual subscription for its continued existence. These notes are copyrighted by the University of California and are for your personal use only. D O N O T C O P Y Sharing or copying these notes is illegal and could end note taking for this course. ANNOUNCEMENTS The exams are graded but they aren’t recorded. They will be handed back in your discussion sections. We will try and post the distribution of scores on bspace. I’m Terry Machen and I’m going to be doing the next lectures for the next 4 weeks. I am in the same department as Professor Bautista, and have been here 35 years longer. The reader is available at Copy Central. All the slides and notes are in the reader. I will post them in color versions on bSpace. I think it’s a lot easier to use the reader, however. In general for my section there are 1-2 pages of outline notes and some figures. At the back of the book there are a lot of review questions and answers. In addition I have listed at the top questions that are fair game—what do I mean by that? I will use mostly questions in the reader and text. My goal here is to try and teach you as much as I can, and at the same time have you like it. Physiology is an integrative topic. A lot of things that you have learned, chemistry, physics, etc… this course give you an opportunity to involve this information. For many of the med schools the questions on the exams are integrative physiology questions. Professor Bautista had lots of chapters. We are going to slow down the information in terms of chapters, but we will go deeper into the information. LECTURE I am going to start talking about muscle. A lot of this will be repetition, I’m sure, of what you have learned in other classes. Skeletal muscle is voluntary and is made out of long multi-nucleated cells. Multi-nucleated means that these are cells that, during development, have come together and fused. We have multiple nuclei in one cell, which is not so good for division. Muscle cells do not divide. If you get damage to your muscles it’s very hard to repair. There is a bit MCB 136 ASUC Lecture Notes Online: Approved by the UC Board of Regents 2/24/09 D O N O T C O P Y Sharing or copying these notes is illegal and could end note taking for this course. 2 of stem cell replacement, but basically what you begin with is what you are going to end up with. Actin and myosin make up these stripes, also called striations . The activation of these nerves is by a motor nerve. What this means is where the activation starts in your brain, a nerve comes down your spinal cord and crosses over, it makes a connection to the muscle and makes them contract....
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This note was uploaded on 05/07/2009 for the course MCB 58168 taught by Professor Thorner during the Spring '09 term at Berkeley.

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LEC 1 (10) - MCB 136 Professor Terry Machen Lecture 10 ASUC...

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