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SBI3U BIOLOGY WRITTEN EXAM REVIEW—MAJOR CONCEPTS AND PRACTICE QUESTIONS UNIT 1 CELLS Levels of organization Microscope –field of view, orientation, magnification, estimating size Organelles—structure and function Cellular processes (osmosis, diffusion, facilitated diffusion, active transport) Differences between plant and animal cells concept of surface area to volume ratio 1. a. Define hypotonic, hypertonic, isotonic. b. The concentration of salt inside a cell is 5%. The concentration of salt outside a cell is 10%. What will happen? 2. Which would operate more efficiently, 6 cells that are 1 cm 3 in volume each or 1 cell that is 6 cm 3 in volume? Explain why. 3. Distinguish between the following sets of terms a. passive and active transport d. phagocytosis and pinocytosis b. osmosis and simple diffusion e. cells, tissues organs, organ systems c. endocytosis and exocytosis UNIT 2 BACTERIA AND VIRUSES characteristics of prokaryotes versus eukaryotes colony, , binary fission, transformation, transduction, conjugation structure of bacteria and viruses bacterial colony shapes and groupings (coccus, bacillus, strepto, staphlo etc.) advantages/disadvantages of bacteria and viruses 1. Describe the general structure of a virus. 2.
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