BLD 2 lecture 1

BLD 2 lecture 1 - BLD 2 Aug 4th Lecture 1 Simple multi cellular volvox Major of life on the planet is unicellular Unicellular is much more diverse

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BLD 2 Aug. 4 th Lecture 1 Simple multi cellular volvox Major of life on the planet is unicellular. Unicellular is much more diverse. The most Important of multi cellular: 1. Size: predation, defense, or monopolizing resource. 2. Specialize a. Example Volvox: photosynthetic, reproductive cells. While new daughter cells are developing the volvox and being protected from the outside world. 3. Multi-cells have an constant internal environment also known as homeostasis. Development: We all start as a single cell than end up as a human at the end. Human have over 200 different cell types Epithelial cell/tissue: form barrier from the outside word. They are a barrier from the inside from the outside. They come in different forms. Layer…simple…stacked…long. ..Circular they are all forms of barrier tissue. They are a barrier from the outside world and lay in our digestive system. The individual cells are tightly joined. Connective tissue: are in a loose arrangement. They are surrounded by a matrix. They are suspended in a matrix. Our bone is a type of connective tissue also known as osteo. The bone is
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This note was uploaded on 12/02/2008 for the course BILD BILD 2 taught by Professor Schroeder during the Spring '08 term at UCSD.

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BLD 2 lecture 1 - BLD 2 Aug 4th Lecture 1 Simple multi cellular volvox Major of life on the planet is unicellular Unicellular is much more diverse

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