U01 Basis Of Life
- 1. The basis of life CONTENTS RESOURCES
- 2. CONTENTS Vital functions Vital functions Biomolecules Biomolecules Cells History of cell discovery Size and shape Structure and composition Types of cells Cellular nutrition Cellular nutrition Autotrophic nutrition Heterotrophic nutrition Photosynthesis Cell division Cell division Genetic material Mitosis THE BASIS OF LIFE Cellular respiration Cellular respiration
- 3. RESOURCES Vital functions Biomolecules History of cell discovery Types of cells Structure and composition of cells Cellular nutrition Autotrophic nutrition Heterotrophic nutrition Cell division Genetic material Mitosis Size and shape of cells Cellular respiration Photosynthesis Links Introducing cells
- 4. Vital functions VITAL FUNCTIONS Living beings NUTRITION INTERACTION REPRODUCTION
- 5. Vital functions NUTRITION Living beings obtain the matter and energy necessary for life. Autotrophic organisms inorganic matter organic matter Heterotrophic organisms Living beings GO BACK
- 6. Living beings Vital functions INTERACTION Living beings relate with their surrounding environment. Animals have receptors and effectors . Plants do not have receptors, but they can respond to stimuli. GO BACK
- 7. Vital functions REPRODUCTION New individual living beings are produced. Asexual reproduction: one parent Sexual reproduction: male and female parents Living beings GO BACK
- 8. water mineral salts Biomolecules calcium, iron, magnesium, etc. Organic molecules
- 9. History of cell discovery He was the first person to use the word “cell”. He discovered tiny organisms in a drop of water. 1675 Anthony van Leeuwenhoek microscope “ animacules” 1665 Robert Hooke microscope cork under a microscope
- 10. History of cell discovery 1838 Matthias J. Schleiden and Theodor Schwann CELL THEORY The cell is the structural and functional unit of all living things. 1855 Rudolf Virchow CELL THEORY All cells come from pre-existing cells.
- 11. microscope Size and shape of cells 1 micrometre ( μm) equals 0.001 millimetres (mm) cell
- 12. Structure and composition of cells Animal cell Plant cell 1 1 2 2 3 3 4 4 5 cell membrane cytoplasm nucleus cell membrane nucleus cell wall cytoplasm mitochondrion 1 Golgi body 2 vacuoles 3 rough ER 4 chloroplast 5 CLICK ON THE NUMBERS
- 13. Types of cells bacteria Prokaryotic cells The genetic material is loose in the cytoplasm. NEXT
- 14. Types of cells Animal cell Plant cell nucleus Eukaryotic cells The genetic material is enclosed in a nucleus.
- 15. Cellular nutrition Amoeba nutrients CATABOLISM ANABOLISM
- 16. Cellular nutrition CELLULAR METABOLISM Catabolism GO BACK complex organic substances simple substances energy
- 17. Cellular nutrition METABOLISM Anabolism CELLULAR METABOLISM complex organic substances simple substances energy GO BACK
- 18. Autotrophic nutrition 1 2 3 4 CLICK ON NUMBERS
- 19. sunlight O 2 H 2 O CO 2 mineral salts Autotrophic nutrition simple organic matter 1 Inorganic matter is taken in. GO BACK
- 20. O 2 Autotrophic nutrition simple organic matter 2 energy Catabolism GO BACK
- 21. CO 2 Autotrophic nutrition 3 Carbon dioxide is expelled. GO BACK
- 22. other functions Autotrophic nutrition complex organic matter energy simple organic matter Anabolism 4 GO BACK
- 23. Heterotrophic nutrition 1 2 3 4 CLICK ON NUMBERS
- 24. Heterotrophic nutrition 1 Organic matter is taken in. simple organic matter GO BACK
- 25. Heterotrophic nutrition 2 simple organic matter Catabolism O 2 H 2 O CO 2 energy GO BACK
- 26. Heterotrophic nutrition 3 Carbon dioxide is expelled. CO 2 GO BACK
- 27. Heterotrophic nutrition 4 simple organic matter Anabolism energy complex organic matter other functions GO BACK
- 28. organic matter oxygen mineral salts water sunlight carbon dioxide Photosynthesis CO 2 H 2 O O 2 sunlight carbon dioxide water mineral salts organic matter oxygen CHLOROPLAST
- 29. organic matter oxygen carbon dioxide water Cellular respiration CO 2 H 2 O O 2 energy MITOCHONDRION carbon dioxide water oxygen organic matter energy
- 30. Cell division parent cell UNICELLULAR ORGANISMS population growth MULTICELLULAR ORGANISMS growth daughter cells
- 31. Cell division spores Binary fission Multiple fission Budding Sporulation In fungi, algae, moss and ferns In some protozoa In yeast In bacteria and protozoa
- 32. Eukaryotic cell Genetic material chromatin Before cell division chromosomes Karyotype of a human being 46 chromosomes nucleus
- 34. Mitosis GO BACK
- 35. Links Introducing cells http://www.usoe.k12.ut.us/CURR/SCIENCE/sciber00/7th/cells/sciber/intro.htm Cell Inspector interactive activity http:// www.harcourtschool.com/activity/cell/cell.html Cells alive http://www.cellsalive.com/cells/3dcell.htm The virtual cell http://www.ibiblio.org/virtualcell/textbook/chapter3/chapter3.htm The Virtual Cell Textbook http://www.ibiblio.org/virtualcell/textbook/chapter2/chapter2.htm Cell growth and division http://www.biologycorner.com/bio1/