Tuesday, February 23, 2010

Mitrochondrion and Chloroplasts

Mitrochondrion provides the energy for the cells. They are the power center of the cell, they are about the size of bactria
but may have different shapes depending on the cell. The cristae greatly increase the Inner membranes surface area.


http://www.cartage.org.lb/en/themes/sciences/zoology/AnimalPhysiology
/Anatomy/AnimalCellStructure/Mitochondria/mitochondria.jpg

Chloroplasts are specialized organelles found in higher plant cells these oganelles contain the plant cells chlorophyll, hence provides the green color. They have a double outer membrane. Within the stroma are other membrane structures the thylakoids and grana
(singular = granum) where photosynthesis takes place

http://micro.magnet.fsu.edu/cells/chloroplasts/images/chloroplastsfigure1.jpg
















Monday, February 8, 2010

Cells

Cells they are a living organism we use micro scopes to zoom in on different cells we use electron micro scopes and compound lights micro scopes anton van leeuwenhoek made the first light micro scope in 1940 compound microscopes uses series of lences to magnify objects cells are a basic building blocks of all living things way is funny is people a long time ago before there were microscopes people believed that disease were caused by cures and supernatural spirts 1. oganism are made up of 1 or more cells 2.cells are a basic unit of organisation of organisms 3. All cells come from preexisting cells