BIO 1140 Study Guide - Sodium-Potassium Alloy, Tight Junction, Phosphodiester Bond

35 views14 pages
10 Jul 2014
Department
Course
Professor

Document Summary

All organisms consist of 1 or more cells. Cell is basic structure for all organisms. Theodore schwahn, based on matias schleiden"s theories. schleiden realized all plants made up of these units, strucuture of a plant can be described in terms of these. All cells arise from pre-existing cells. this is the cell theory. all cells are fairly similar. They share some basic structural and chemical characteristics. Large enough to see and hold in your hand. 1-00 micron range. functions: single-celled must require all functions required to life. cells in multi-cellular organisms specialize for one function. Sa to v ratio sa is the area of which nutrients and waste products can occur. For the cell to survive there has to be sufficient sa to supply. Mitochondria: oxidative metabolism takes place, powerhouses of the cell, yields atp inner membrane is folded into cristae circular mdna.