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Cell Structure and Function
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Scientists responsible for the tools and foundations of cell biology:
Robert Hooke
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Scientists responsible for the tools and foundations of cell biology:
Anton van Leeuwenhoek
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Scientists responsible for the tools and foundations of cell biology:
Matthias Schleiden
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Scientists responsible for the tools and foundations of cell biology:
Theodor Schwann
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Scientists responsible for the tools and foundations of cell biology:
Robert Brown
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Scientists responsible for the tools and foundations of cell biology:
Rudolf Virchow
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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
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Cell Organelles – Their parts, structure, and function
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Cell parts come from molecules
4 Types of Organic Molecules: Nucleic Acids - Carbohydrates Proteins Lipids
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Cell Membrane Function: - - * *Transport Mechanisms
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Cell Membrane Phospholipid Bilayer … …fluid mosaic model = Proteins …
Carbohydrates … (cholesterol)
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Nucleus Functions: - = CHROMATIN CHROMOSOMES
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Nucleus - Nucleolus: , -
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Cell Fluids _________plasm: Inside of the nucleus _______plasm:
Cyto = _________plasm: Inside of the nucleus _______plasm: Outside of the nucleus
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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
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Ribosomes -Tiny structure where _________are assembled from ____________
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Endoplasmic Reticulum
- ___________ – ______________attached, __________appearance ___________ – no _______________, _________ appearance
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Golgi Apparatus - Produces __________, __________, and __________
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Lysosome, Vacuoles, and Vesicles:
- -In plants,
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Cytoskeleton _____________and __________ network that provides a ____________ Movement of ___________ inside cell Movement of the _____________
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Mitochondrion Contain their own ____ -
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Organelles in some eukaryotic cells but not all…
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Chloroplasts Contain their own ____ -
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Cell Walls - In plants, composed of ________
In fungi, composed of ________
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Flagella ____________ structures used for _____________
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Cilia ________, __________ structures on the surface of the cell used for ______________
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Centrioles Only in _________ cells Used in _____ __________
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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 -
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Testing the Hypothesis
Stanley Miller ( ) - !!! ___________ - Molecules + Energy =
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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 _________
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Conclusion = Theory of How Earth’s Life Began
1.) 2.) 3.) 4.)
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Endosymbiont Hypothesis
Lynn Margulis proposed …Eukaryotic cell is the result of
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Prokaryotes vs. Eukaryotes
Eukaryotic Cells - Ex. – Prokaryotic Cells - Ex. –
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5 Kingdom Classification Cellular Differences
Prokaryotic – Reproduce by Ex. Eukaryotic – - Ex. Eukaryotic – Cell Wall composed of Saprophytic ( ) - Ex. Eukaryotic – Cell Wall composed of Autotrophic – - Eukaryotic – Heterotrophic – -
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