Title: Ms. K Cell Membrane and Homeostasis Experiment Objective(s): The reason for this experiment is to see how starch and iodine affect each other and how a plastic bag works similar to a membrane in certain situations. Introduction: I know prior to doing this experiment that iodine mixed with starch creates a dark color and that most objects‚ organic and inorganic‚ naturally experience isotonic reactions. Hypothesis: I think that the potato will absorb more starch than the sweet potato and
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Biology I Cell Biology Review 1. What are the four basic parts that all cells must have? 2. Draw a simple rod-shaped prokaryote with these features: Cell membrane‚ cell wall‚ cytoplasm‚ DNA‚ one plasmid and ribosomes. Which feature is unique to bacteria? 3. How might you tell the difference a prokaryotic cell from a eukaryotic one? Which is the most primitive? Which is the most complex? 4. What organisms are classified as prokaryotes? 5. Know all the organelles we covered and their
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promote and spread rapidly I-Schedulizer‚ we could have a very big grow in a relative short time. MARKETING STRATEGY Our marketing strategy is focused on the social media like Facebook and Twitter. In fact we want to take advantage of the wide diffusion and of the big virtual community of these social network. To do this we think to adopt a viral marketing strategy. Viral marketing is a particular type of marketing in which the customers that are satisfied of a product‚ in our
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functions) Unit 3- Cellular Structure and Function (ch. 7) The Cell Theory Microscope diversity Why are cells small? Prokaryotic vs eukaryotic cells Plant vs animal cells- organelle function and location Cell membrane structure and function Diffusion‚ facilitated diffusion‚ active transport‚ endocytosis‚ exocytosis Osmosis- hypertonic‚ hypotonic‚ isotonic environments Unit 4- Cellular Energy (ch. 8) Laws of Thermodynamics Metabolism- Anabolism vs catabolism Formation of ATP Photosynthesis Chemical Equation
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membrane). Know that biological membranes are semipermeable (more permeable to some solutes than others) and know how the size‚ polarity‚ and charge affects the permeability of solutes through membranes. Understand the terms passive transport and diffusion‚ and osmosis. Be able to make predictions about the direction that solutes or water will move if given
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blood cells will shrivel up because the blood fluid is hypotonic compared to the cells e) The patient’s urine output will decrease 4. All of the following membrane activities require energy from ATP hydrolysis except: a) Facilitated diffusion b) Active transport c) Na+ ions moving out of the cell d) Proton pumps e) Translocation of potassium into a cell 5. All of the following processes take material into cells except: a) Pinocytosis
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policies and mercantile practices contributed to the expansion and development of commercial networks‚ which in turn served as supervisors for cultural‚ technological‚ and biological diffusion within and between various societies. cross-cultural exchanges mercantile practices cultural‚ technological‚ and biological diffusion What new technologies‚ governmental policies‚ and merchant activities accompanied these developments? Improved transportation technologies and commercial practices led to an
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Chapter 2 IB Biology 2.1 Cell Theory 2.1.1 Outline the cell theory (2). • All organisms are composed of one or more cells • Cells are the smallest units of life • All cells come from preexisting cells • TOK: cell theory replaces the former ideas of spontaneous generation or abiogenesis in which inanimate matter assembles itself into living forms • Exception: muscle cells- more than 1 nucleus‚ very long; (fungal cells) hyphae roots- not a single unit; protoctista- not specialized to single
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permeable to water. Attachment protein: a protein in the plasma membrane of a cell that attaches either to the cytoskeleton inside the cell‚ to other cells or to the extracellular matrix. Carrier protein: a membrane protein that facilitates the diffusion of specific substances across the membrane. The molecule to be transported binds to the outer surface of the carrier protein; the protein then changes shape‚ allowing the molecule to move across the membrane. Channel protein: a membrane protein
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Bio 115 Exam 1 Study Guide These topics will be on the exam. ▪ What are the tenets of cell theory? • Cells are the basic structural and physiological units of all living organisms. • Cells are both distinct entities and building blocks of more complex organisms. OR • All living organisms are composed of one or more cells‚ Cells are the basic units of structure and function in an organism‚ and Cells come only from the reproduction of existing
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