EXAM-1 STUDY GUIDE DUE ON FEBRUARY 28TH PLEASE SUBMIT IN THE DROP BOX IN MICROSOFT WORD. CHAPTER-1 The Microbial World and You List several ways in which microbes affect our lives. Help maintain the balance of living organisms and chemicals in our environment. Marine and fresh water microorganisms form the bases of the food chain in oceans‚ lakes‚ and ricers. Soil microbes help break down wastes and incorporate nitrogen gas from the air into organic compounds‚ thereby recycling chemical
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cylindrical structure made of microtubules | Produces spindles which separates the cell during cell division. | The organelles that can be seen under a light microscrope are Cell Wall‚ Cell membrane‚ Cytoplasm‚ Mitochondria (with staining)‚ Nucleus‚ Vacuole‚ Nucleolus and Cytoskeleton. The rest need a higher resolution to be visible to the naked eye‚ thus the electron microscope is used. KEY WORDS AND DEFINITIONS - Key Word | Definition | Molecule | A group of atoms bonded together‚ representing
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Scientific Method: 1) What is the scientific method? The scientific method is a way to ask and answer scientific questions by making observations and doing experiments. 2) What are the steps of the scientific method? Ask a Question‚ Do Research‚ Hypothesis‚ Test Your Hypothesis by Doing an Experiment‚ Analyze Your Data‚ Draw a Conclusion‚ And Communicate Your Results. 3) Why do scientists use the scientific method? What are the benefits of using it? Scientists use this method to have a formula
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Chapter 3 Cell Function and Structure Wonder Drug j What You Will Be Learning 3.1 How Penicillin Was Discovered 3.2 Cell Theory: All Living Things Are Made of Cells 3.3 Membranes: All Cells Have Them 3.4 Prokaryotic and Eukaryotic Cells Have Different Structures 3.5 Some Antibiotics Target Bacterial Cell Walls 3.6 Some Antibiotics Inhibit Prokaryotic Ribosomes 3.7 Molecules Move across the Cell Membrane 3.8 Eukaryotic Cells Have Organelles UP CLOSE Eukaryotic Organelles
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Biochemistry- The Basics An Atom is the basic unit of a chemical element ( smallest unit for measuring chemical & physical properties) Smallest particle of an element is an atom A Particle is a small portion of matter Matter is composed of elements___ Matter makes up everything in the universe. An Element is a pure substance that cannot be broken down into a simpler substance. ex. carbon‚ hydrogen‚ etc A molecule is a group of atoms bounded together ex O2 A chemical compound
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Chapter 1 Cell Theory- in the 18th century‚ two scientists came up with the cell theory. Schleiden and Schwen. 3 corollaries of the cell theory: -all cells are alike in chemical composition -all cells store and process information in the same way -all cells arise from other cell through cell division 5 types of different Microscopes 1. Light Microscope- produces 2-D image Direct descendants of Hooks scope> take two lenses to a light source> used this to magnify images up to 1‚000 fold.
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Acute Inflammation The survival of all organisms requires that they eliminate foreign invaders‚ such as infectious pathogens‚ and damaged tissues. These functions are mediated by a complex host response called inflammation. Definition of inflammation Inflammation is fundamentally a protective response‚ the ultimate goal of which is to rid the organism of both the initial cause of cell injury (e.g.‚ microbes‚ toxins) and the consequences of such injury (e.g.‚ necrotic cells and tissues)
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of phagocytosis and vacuole formation in Tetrahymena. This process was visualized by feeding methylene blue stained yeast cells and India ink to Tetrahymena (Keenan‚ 1984). In this experiment‚
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ABCT 1101/ABCT1D04 Introductory Life Science INTRODUCTORY LIFE SCIENCE At our 3rd lecture‚ we want to discuss • The building blocks of biological organisms – Carbohydrates‚ proteins‚ lipids and nucleic acids • Cell structure and function – Cell membrane‚ ER‚ Golgi‚ cytoskeleton‚ nucleus – Plant cell vs. animal cell Simple Chemistry for Life Science • Each element consists of one kind of atom. – An atom is the smallest unit of matter that still retains the properties of an element
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Biology Honors Final Exam Review Study Guide A. Intro Unit * Characteristics of life (DR.CHARGE) * DNA * Directs protein synthesis * Reproduce * Divides in mitosis (asexual reproduction) * Cells * Homeostasis * The process by which cells maintain constant internal condition (water‚ temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food
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