Eukaryotic Cellular Organelle Notes Cell Membrane Boundary between

Eukaryotic Cellular Organelle Notes

Cell Membrane Boundary between the inside and outside of the cell l Maintains homeostasis in a cell by controlling what enters and leaves the cell l

Cytoplasm l Gel-like liquid inside the cell which helps transport materials and supports the organelles http: //www. daylilies. org/ah s_dictionary/cytoplasm. gif

Nucleus Control center of the cell; directs cell growth, development and reproduction l Contains DNA l Inside the nucleus is the nucleolus, where ribosomes are made l Nucleolus

Ribosomes l Site (location) of protein synthesis *Synthesis means to make.

Mitochondria the “powerhouse” of the cell l Turns food into a useable form of energy called ATP which the cell uses to do work (cellular respiration) l

Endoplasmic Reticulum l Systems of membranes “highway” used to make and transport materials around the cell ¡ Rough E. R. -site of protein synthesis (covered in ribosomes) ¡ Smooth E. R. -site of lipid synthesis (no ribosomes)

Golgi Body The “post-office” of the cell l Sorts, packages and sends proteins and lipids made in the E. R. around the cell l

Lysosome l Contains digestive enzymes to break down waste products

Cell Wall Lies outside the cell membrane of plant, fungal and bacterial cells l Provides support to strengthen the cell l

Vacuole Stores water, nutrients and waste products in the center of a plant cell l Pressure from the stored water helps support the plant cell l

Chloroplast Uses oxygen, water and light energy from the sun to make food (photosynthesis) l Only found in plant cells l Contains chlorophyll, a chemical which gives plants their green color l

II. Plant vs. Animal Cell Structures l Label the picture in your notes using the diagram below. Lysosome http: //summit. k 12. co. us/schools/shs/computer /tkelley/plntcell. jpg

Directions: Complete the Quick Review on your notes handout.

III. Levels of Organization Life can be organized into different categories based on structure and function. The smallest living thing is a cell. http: //www. edplace. co. uk/files/ml_std_question aree/cell_system. png

IV. Levels of Organization 1. The Cell -The basic unit of life is the cell. -Single celled organisms are made of one cell that must carry out all the metabolic functions necessary to keep the cell/organism alive. http: //focus. aps. org/files/focus/v 11/st 22/pic-v 11 st 22 -1. jpg

IV. Levels of Organization 2. Tissues -Cells in a multicellular organism can become specialized to perform specific functions for the whole organism; this happens during the development of the multicellular organism. l -A group of specialized cells that work together to perform a particular function for an organism is called a tissue. http: //graphics 8. nytimes. com/images/2007/08/01/he alth/adam/8682. jpg

IV. Levels of Organization 3. Organs -Different types of tissues grouped together to perform a function for an organism are called an organ. Stomach http: //www. nlm. nih. gov/MEDLINEPLUS/ency/images/ency/fullsize /19223. jpg

IV. Levels of Organization 4. Organ Systems -When several organs have similar functions and work together, they make up an organ system. Digestive System http: //www. geocities. com/athens/forum/6100/ 1 digestiveorgans. gif

IV. Levels of Organization 5. Organism -All the organ systems working together make up an organism.

IV. Levels of Organization from Smallest to Largest Cell->Tissue->Organ System->Organism ***Organisms are placed in larger groups of populations, communities, and ecosystems.

Even Plants Need Structure! Cell Tissue http: //www. lastrefu ge. co. uk/imagesdatabase/davidspears/big 1/agreen 02 -new. jpg Organelle http: //www. usoe. k 12. ut. us/curr/Sci ence/sciber 00/8 th/energy/images/c hloro. jpg Structure gives us function! http: //www. biologyreference. com /images/biol_01_img 0077. jpg Molecule http: //wpcontent. answers. com/wikipedia/co mmons/thumb/9/92/Chlorophyll-a-3 Dvd. W. png/180 px-Chlorophyll-a-3 D-vd. W. png Organism http: //domino. research. i bm. com/comm/research_ teams. nsf/pages/zos. inde x. html/$FILE/leaf_1_bg_ 010503. jpg http: //www. treehuggin gfamily. com/wpcontent/uploads/2007/ 11/sug-maple-tree. jpg

Directions: Complete the Quick Review on your notes handout.

The Magic of Cells Video l Watch the Magic of Cells video.