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Cell Structure and Function. Scientists responsible for the tools and foundations of cell biology:. Robert Hooke. Scientists responsible for the tools and foundations of cell biology:. Anton van Leeuwenhoek. Scientists responsible for the tools and foundations of cell biology:.
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Scientists responsible for the tools and foundations of cell biology: Robert Hooke
Scientists responsible for the tools and foundations of cell biology: Anton van Leeuwenhoek
Scientists responsible for the tools and foundations of cell biology: Matthias Schleiden
Scientists responsible for the tools and foundations of cell biology: Theodor Schwann
Scientists responsible for the tools and foundations of cell biology: Robert Brown
Scientists responsible for the tools and foundations of cell biology: Rudolf Virchow
Cell Theory The work of these scientists provided information significant to the development of the cell theory All living organisms are alike because they are composed of cells … by studying the composition and chemistry of the cell, we understand the chemistry and composition of all kinds of life forms
Cell parts come from molecules 4 Types of Organic Molecules: Nucleic Acids - - Carbohydrates - - Proteins - - Lipids - -
Cell Membrane Function: - - - * - * *Transport Mechanisms
Cell Membrane Phospholipid Bilayer … …fluid mosaic model = Proteins … … Carbohydrates … (cholesterol) …
Nucleus Functions: - - = CHROMATIN - CHROMOSOMES
Nucleus - - Nucleolus: - - , -
Cell Fluids Plasm = Cyto = _________plasm: Inside of the nucleus _______plasm: Outside of the nucleus
Cytoplasm Organelles in the cytoplasm of ______eukaryotic cells: Ribosomes Endoplasmic Reticulum Golgi Apparatus Lysosomes Cytoskeleton Vacuoles Mitochondria Organelles in _______eukaryotic cells: Choloroplasts Cell Wall Flagella Cilia Centrioles
Ribosomes -Tiny structure where _________are assembled from ____________
Endoplasmic Reticulum - ___________ – ______________attached, __________appearance ___________ – no _______________, _________ appearance
Golgi Apparatus - Produces __________, __________, and __________
Lysosome, Vacuoles, and Vesicles: Lysosome: Vacuoles and Vesicles: - - -In plants, - -
Cytoskeleton _____________and __________ network that provides a ____________ Movement of ___________ inside cell Movement of the _____________
Mitochondrion Contain their own ____ -
Chloroplasts Contain their own ____ -
Cell Walls - - In plants, composed of ________ In fungi, composed of ________
Flagella ____________ structures used for _____________
Cilia ________, __________ structures on the surface of the cell used for ______________
Centrioles Only in _________ cells Used in _____ __________
How did the first cells form? Oparin – Haldane Hypothesis ( ’s) - - : Methane (CH4) Hydrogen gas (H2) Ammonia gas (NH3) Water vapor (H2O) Very Little Oxygen!! - : volcanic eruptions UV radiation lightning meteor bombardment -
Testing the Hypothesis Stanley Miller ( ) - - - !!! ___________ - Molecules + Energy =
Results = Theory of How Earth’s Life Began Evidence: - - - - - These have all been recreated in the laboratory. All the steps to making simple cells have been recreated under lab conditions!! Molecules of _________
Conclusion = Theory of How Earth’s Life Began 1.) 2.) 3.) 4.)
Endosymbiont Hypothesis Lynn Margulis proposed …Eukaryotic cell is the result of
Prokaryotes vs. Eukaryotes Eukaryotic Cells - - - Ex. – - Prokaryotic Cells - - - Ex. – -
5 Kingdom ClassificationCellular Differences Prokaryotic – Reproduce by Ex. Eukaryotic – - Ex. Eukaryotic – Cell Wall composed of Saprophytic ( ) - Ex. Eukaryotic – Cell Wall composed of Autotrophic – - Eukaryotic – Heterotrophic – - -