Cell PEOPLE Cell Size and Cell Specialization Chap
- Slides: 28
Cell PEOPLE, Cell Size, and Cell Specialization Chap 7 -1 & 7 -4 http: //www. parlament-berlin. de/Galeriecopy. nsf/0/8 ABC 720262898739 C 1256 A 480037 F 869? Open. Documen http: //www. ncu. edu. tw/~ls/graph/faculty_pictures/whole_time/SLC_lab-1. jpg
1665 Robert Hooke ___________ used a microscope to examine a thin slice of cork and saw “little boxes” He called them “CELLS” because they looked like the small rooms that monks lived in called Cells Microscope image: http: //www. answers. com/topic/microscope Cork image: http: //www. cortex. de/img_kork/cork_cells_big. jpg Hooke image: http: //www. metaweb. com/wiki/upload/5/5 c/Hookeyoungmtwb. jpg
1673 Anton van Leeuwenhoek __________________ a Dutch microscope maker was the first to see LIVING ORGANISMS. Microscope/Leeuwenhoek image: http: //www. answers. com/topic/microscope Animation from: http: //web. jjay. cuny. edu/~acarpi/NSC/13 -cells. htm
1838 German botanist Matthias Schleiden _____________ concluded that ALL PLANTS are made of cells Plant image: http: //www. epa. gov/maia/images/classification. gif Schleiden image: http: //web. visionlearning. com/events/Schleiden_Apr 5_2005. htm
1839 German zoologist _____________ Theodor Schwann concluded that ALL ANIMALS ARE MADE OF CELLS Schwann image: http: //home. tiscalinet. ch/biografien/schwann. htm Animals image: http: //animaldiversity. ummz. umich. edu/index. htm
1855 German medical doctor Rudolph Virchow ___________ saw dividing cells in the microscope and reasoned that cells come from other cells Virchow: http: //www. parlament-berlin. de/Galeriecopy. nsf/0/8 ABC 720262898739 C 1256 A 480037 F 869? Open. Document Mitosis: http: //biology. dbs. umt. edu/biol 101/labs/lab_6_images/sect 01 and 06/Rebecca, %20 tanner, %20 and%20 liam%20 mitosis%20 root%20 tip. jpg
CELL THEORY 1. All living things are ____________. MADE OF CELLS 2. Cells are the basic unit of STRUCTURE & _______ FUNCTION ______ in an organism. life (cell = basic unit of _______) 3. Cells come from the reproduction of ______ cells existing Cell image: http: //waynesword. palomar. edu/lmexer 1 a. htm
1970 American Biologist Lynn Margulis ___________ provides evidence for the idea that certain organelles within cells were once free-living cells themselves. ENDOSYMBIOTIC THEORY = _____________ http: //en. wikipedia. org/wiki/Lynn_Margulis
ENDOSYMBIOTIC THEORY See a movie about ENDOSYMBIOTIC THEORY http: //www. mun. ca/biology/scarr/Endosymbiosis_theory. gif
Evidence for Endosymbiotic theory 1. Mitochondia and chloroplasts DNA similar have circular_______ to bacteria. 2. Mitochondria and chloroplasts have RIBOSOMES whose size and structure resemble _______ bacterial ribosomes. 3. Mitochondria and chloroplasts replicated using _________ Binary fission like bacteria. INNER MEMBRANES of mitochondria and 4. ____________ chloroplasts have a composition similar to bacterial membranes. http: //www. cytochemistry. net/cell-biology/mitochondria_lifecycle_graduate. htm
All living things made of cells BUT… organisms can be very different. Image from: http: //www. agen. ufl. edu/~chyn/age 2062/lect_06/bacsiz. GIF UNICELLULAR MULTICELLULAR http: //www. angelbabygifts. com/ http: //www. inclusive. co. uk/downloads/images/pics 2/tree. gif
CELL SIZE http: //facstaff. bloomu. edu/gdavis/links%20100. htm Typical cells range from: 5 – 50 micrometers (microns) in diameter
How big is a micron ( µ ) ? http: //www. talentteacher. com/pics/005 cb. jpg 1 cm = 10, 000 microns 1” = 25, 000 microns
MULTICELLULAR ORGANISM don’t just contain MANY CELLS. They have different kinds of cells doing different jobs Image from: http: //www. isscr. org/images/ES-cell-Fig-2. jpg
Cells in a multi-cellular organism become SPECIALIZED by turning different genes on and off Image from: http: //www. ncu. edu. tw/~ls/graph/faculty_pictures/whole_time/SLC_lab-1. jpg Cell Specialization =DIFFERENTIATION
SPECIALIZED ANIMAL CELLS Muscle cells Red blood cells http: //www. biologycorner. com/bio 3/images/bloodcells 3 D. jpg Cheek cells http: //www. mlms. logan. k 12. ut. us/~ajohnson/Cells. html
Specialized Plant cells Guard cells Xylem cells Pollen Guard cells: http: //botit. botany. wisc. edu/courses/img/Botany_130/Diversity/Bryophytes/Anthoceros/Guard_cells. jpg Xylem: http: //botit. botany. wisc. edu/images/130/Secondary_Growth/Woody_Stems/Tilia_Stem/Secondary_Growth/One_Year_Stem/Primary_xylem_MC. j Pollen: http: //www. uic. edu/classes/bios 100/labs/pollen. jpg
____ ATOMS MOLECULES _____ ORGANELLES ______ IMAGE SOURCES: see last slide
CELLS TISSUES ____________ Similar cells working together IMAGE SOURCES: see last slide
ORGANS SYSTEMS ______ Different tissues working together ORGANISM ______ Different organs working together IMAGE SOURCES: see last slide
SOUTH DAKOTA SCIENCE STANDARDS Students will be able to: • explain the process of specialization 9 -12. L. 1. 3. A (ADVANCED) • describe the relationships between the levels of organization in multi-cellular organisms (cells, tissues, organ systems, and organism) (PROFICIENT) • explain how gene expression regulates cell growth and differentiation 9 -12. L. 1. 3. A (Tissue formation, development of new cells from original stem cells (ADVANCED)
NATURE OF SCIENCE: Indicator 1: Understand the nature and origin of scientific knowledge. 9 -12. N. 1. 1. Students are able to evaluate a scientific discovery to determine and describe how societal, cultural, and personal beliefs influence scientific investigations and interpretations. • Recognize scientific knowledge is not merely a set of static facts but is dynamic and affords the best current explanations.
SOUTH DAKOTA ADVANCED SCIENCE STANDARDS 9 -12. L. 1. 3 A. Students are able to explain how gene expression regulates cell growth and differentiation. Examples: Tissue formation Development of new cells from original stem cells
Core High School Life Science Performance Descriptors High school students performing at the PROFICIENT level: Describe the relationship between structure and function (cells, tissues, organ systems, and organisms);
IMAGE BIBLIOGRAPHY http: //www. uic. edu/classes/bios 100/summer 2004/lect 02. htm Paint image by Riedell http: //www. emc. maricopa. edu/faculty/farabee/BIOBK/Bio. Book. CHEM 2. html#Organic%20 molecules http: //evolution. berkeley. edu/evosite/evo 101/images/dna_bases. gif
http: //bioweb. wku. edu/courses/BIOL 115/Wyatt/Biochem/Carbos/Carb_poly. gif http: //vilenski. org/science/safari/cellstructure/golgi. html http: //www. science. siu. edu/plant-biology/PLB 117/JPEGs%20 CD/0076. JPG http: //classes. kumc. edu/som/bioc 801/lectures/images/mem 01 -08. gif http: //www. biology 4 kids. com/files/cell_nucleus. html
http: //www. biologyclass. net/mitochondria. jpe http: //www. ncu. edu. tw/~ls/graph/faculty_pictures/whole_time/SLC_lab-1. jpg http: //www. kufm. kagoshima-u. ac. jp/~anatomy 2/BON/1016 A 03. jpg http: //www. carolguze. com/text/102 -19 -tissuesorgansystems. shtml http: //academic. pg. cc. md. us/~aimholtz/Aand. P/206_ONLINE/Immune/Innate_Images/cilia. jpg http: //www. emc. maricopa. edu/faculty/farabee/BIOBK/Bio. Book. Animal. TS. html http: //www. agen. ufl. edu/~chyn/age 2062/lect_19/147 b. gif
http: //www. proctitispages. force 9. co. uk/ http: //vilenski. org/science/safari/fungus. html http: //www. harrythecat. com/graphics/ http: //bestanimations. com http: //www. inclusive. co. uk/downloads/images/pics 2/tree. gif http: //people. eku. edu/ritchisong/homepage. htm http: //sps. k 12. ar. us/massengale/animal%20 dissections. htm
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