Intro to cells
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Brief Introduction to cells
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Intro to cells
- 2. INTRODUCTION TO CELLS Pages 169 – 183 in Textbook
- 3. History of the Cell Robert Hooke, 1665 Anton von Leeuwenhoek, 1674 Theodor Schwann, 1839 Rudolph Virchow, 1855 Janet Plowe, 1931 Matthias Schleiden, 1838
- 6. Cell Theory Matthias Schleiden all plants are made of cells Cell Theory Theodore Schwann all animals are made of cells Rudolf Virchow all cells came from pre-existing cells
- 9. The Levels of Organization Multicellular organisms are arranged from simple to complex according to their level of cellular grouping. cell tissue organ organ system organism
- 17. Parts of Cells cytoplasm nucleus cell membrane chloroplast vacuole mitochondria cell wall ribosomes cytoplasm : semi-liquid material that fills the cell (p. 175) nucleus : controls most cell processes, contains hereditary information (DNA) chloroplast : capture energy from sunlight and convert it into chemical energy (food), (photosynthesis occurs here) vacuole : sac-like structure that stores water, salts, foods, etc ribosomes : manufacture proteins mitochondria : convert chemical energy stored in food into ATP (cellular respiration occurs here) cell membrane : regulates what enters and leaves the cell, protection and support cell wall : outer layer in plant cells, support and protection
- 18. Plant Cell cytoplasm nucleus cell membrane chloroplast vacuole mitochondria cell wall ribosomes (p. 175)
Notas del editor
- See pages 170-171. Janet Plowe demonstrated how the cell membrane works. Janet is on here because she’s a woman and recent! Not for testing.
- 1665 – Robert Hooke publishes his book which contains his drawings of sections of cork as seen through one of the first microscopes. Coined the term “cells”.
- 1673 – Anton van Leeuwenhook – perfects the simple microscope and observes cells and microorganisms. Four years later, he discovers protozoa.
- Levels of Organization: how organisms are arranged from simple to complex
- Levels of Organization: how organisms are arranged from simple to complex
- Introduction to cell parts. Functions will be covered with the appropriate process.
- Introduction to cell parts. Functions will be covered with the appropriate process.