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Eukaryote

Cell and Transport Study Guide

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Cells & Transport Study Guide Cell Theory 1) All living things are made up of cells 2) Cells are the basic units of structure and function in an organism 3) New cells are produced from existing cells Scientists: 1665 Robert Hooke Coined word ?cell? Looked at cork under microscope 1674 Anton van Leeuwenhoek Perfected the simple microscope Discovered protozoa 1838 Matthias Schleiden Discovered/published fact that all plants are made of cells 1839 Theodor Schwann Discovered/published fact that all animals are made of cells 1855 Rudolf Virchow Discovered/published fact that all cells come from preexisting cells 1931 Janet Plowe Demonstrated that a cell is a physical structure 1970 Lynne Margulis Created endosymbiotic theory Endosymbiotic Theory

chapter_1_ap_biology_exam

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Campbell's Biology, 9e (Reece et al.) Chapter 1 Introduction: Themes in the Study of Life 1) A localized group of organisms that belong to the same species is called a A) biosystem. B) community. C) population. D) ecosystem. E) family. Answer: C Topic: Concept 1.1 2) Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sunlight into A) the energy of motion. B) carbon dioxide and water. C) the potential energy of chemical bonds. D) oxygen. E) kinetic energy. Answer: C Topic: Concept 1.1 3) The main source of energy for producers in an ecosystem is A) light energy. B) kinetic energy. C) thermal energy. D) chemical energy. E) ATP. Answer: A Topic: Concept 1.1

AP BIO CHP 6 CAMPBELL BIOLOGY 9e

AP BIO CHP 1 CAMPBELL BIOLOGY 9e

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Campbell's Biology, 9e (Reece et al.) Chapter 1 Introduction: Themes in the Study of Life 1) A localized group of organisms that belong to the same species is called a A) biosystem. B) community. C) population. D) ecosystem. E) family. Answer: C Topic: Concept 1.1 2) Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sunlight into A) the energy of motion. B) carbon dioxide and water. C) the potential energy of chemical bonds. D) oxygen. E) kinetic energy. Answer: C Topic: Concept 1.1 3) The main source of energy for producers in an ecosystem is A) light energy. B) kinetic energy. C) thermal energy. D) chemical energy. E) ATP. Answer: A Topic: Concept 1.1

A Tour of the Cell

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Ch. 7 Tour of the Cell 2007-2008 Light Microscope - LM ? Uses visible light ? inexpensive ? live or dead objects ? Resolution: ? As magnification ?, resolution ?. ? ~1000X. ? Limitations: ? many cell structures too small Just magnified 64X Magnification & Resolution Light Microscope Variations ? Unstained ? Stained: ?Methylene blue ? iodine Light Microscope Variations ? Fluorescence: uses dyes to make parts of cells ?glow?. ? Phase-contrast: enhances contrasts in density. ? Confocal: uses lasers and special optics to focus only narrow slides of cells. Electron Microscopes ? Use beams of e- ? Invented in 1939 ? Advantages: ?Much higher mag. ? 50,000X ? Disadvantages: ? Vacuum.

A Tour of the Cell

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Ch. 7 Tour of the Cell 2007-2008 Light Microscope - LM ? Uses visible light ? inexpensive ? live or dead objects ? Resolution: ? As magnification ?, resolution ?. ? ~1000X. ? Limitations: ? many cell structures too small Just magnified 64X Magnification & Resolution Light Microscope Variations ? Unstained ? Stained: ?Methylene blue ? iodine Light Microscope Variations ? Fluorescence: uses dyes to make parts of cells ?glow?. ? Phase-contrast: enhances contrasts in density. ? Confocal: uses lasers and special optics to focus only narrow slides of cells. Electron Microscopes ? Use beams of e- ? Invented in 1939 ? Advantages: ?Much higher mag. ? 50,000X ? Disadvantages: ? Vacuum.

Campbell AP Bio Study Guide Chapter 6

Tour of the cel

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Chapter 4: A Tour of the Cell Types of Cells Prokaryotic- a type of cell lacking a membrane-enclosed organelles Bacteria and Archaea DNA in the nucleoid which is not membrane-bound Eukaryotic- a type of cell with membrane bound organelles Protists, Plants, Fungi, and Animals Contian a membrane-bound nucleus Contain organelles and cytoplasm Both: Have ribosomes Plasma membrane Jelly-like cytosol Chromosomes *As the volume of a cell grows, the surface area increases proportionally because more plasma membrane needed to transfer necessary materials for the metabolic processes *Different organelles increase complexity of the cell because each organelle has a specific function, whit allows multiple activities to be going on in the cell at once The Nucleus

campbell_ap_bio_practice_test_ch6

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Chapter?6 A?Tour?of?the?Cell Multiple-Choice?Questions 1) When?biologists?wish?to?study?the?internal?ultrastructure?of?cells,?they?most?likely?would?use A) a?light?microscope. B) a?scanning?electron?microscope. C) a?transmission?electronic?microscope. D) A?and?B E) B?and?C Answer: C Topic: Concept?6.1 Skill: Knowledge/Comprehension 2) The?advantage?of?light?microscopy?over?electron?microscopy?is?that A) light?microscopy?provides?for?higher?magnification?than?electron?microscopy. B) light?microscopy?provides?for?higher?resolving?power?than?electron?microscopy. C) light?microscopy?allows?one?to?view?dynamic?processes?in?living?cells. D) A?and?B E) B?and?C Answer: C Topic: Concept?6.1 Skill: Knowledge/Comprehension 3) A?primary?objective?of?cell?fractionation?is?to

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