Chapter 4 Review

Passive Transport Movement into or out of a cell without energy 2 examples Osmosis From high concentration to lower concentration Through a semi permeable membrane Diffusion

Active Transport Movement of materials into or out of the cell using energy 2 examples Endocytosis Moving large particles into the cell Exocytosis Moving large particles out of the cell

Why is the cell membrane and cell wall so important? Protection Structure Allow for movement of material in and out of the cell Cell Wall Barrier to external environment Support

Photosynthesis Carbon dioxide + water + light  sugar + oxygen Where does this happen? Chlorophyll in chloroplast

Cellular Respiration Sugar + oxygen  carbon dioxide + water + ATP Where does this happen? Mitrochondria

Photosynthesis and Cellular Respiration http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration.html

Fermentation Happens in the absence of oxygen Creates a build-up of lactic acid Think muscles, bread (yeast), and alcohol

Mitosis Cell cycle The life cycle of a cell Cytokinesis The division of cytoplasm You should know the phases of mitosis for your quiz!!

Interphase Prophase Metaphase Anaphase Telophase Cytokinesis Chromosomes are copied Prophase Spindle fibers appear Metaphase Chromatids line up Anaphase Chromatids separate Telophase Two new nuclei Cytokinesis Division of cytoplasm

Now, you have the rest of the time to complete your yellow worksheet. Use your book Use your notes---share your notes with people that were absent! If you have completed the yellow sheet, spend this time quietly studying. Read your notes Review your book Study your guide Make sure you are caught up on all of the homework and worksheets!