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Preparation for the semi-annual test 1.2 Chapter 1 1. 2. 3. 4. 5. What are the seven classification groups? What is a binomial? How do the cells of bacteria differ from the cells of plants and animals? List three differences between monocotyledonous and dicotyledonous plants. State two characteristics that differ between a. Insects and Arachnids. B. Annelids and Nematodes c. Mammals and Birds d. Molluscs and Arthropods e. Amphibians and Reptiles f. Vertebrates and Arthropods 6. How can you calculate the magnification? Chapter 2 1. List the differences between animal and plant cells? 2. What is partially permeable mean? 3. State which part of a plant cell a. Make food by photosynthesis b. Releases energy from food c. Controls what goes in and out of the cell d. Stores information about making proteins e. Contains cell sap f. Protects the outside of the cell 4. Give some examples of a. Parts of cells___________________________________________________ b. Tissues _______________________________________________________ c. Organs ________________________________________________________ d. Organs system _________________________________________________ Chapter 3 1. Define: a. Diffusion_______________________________________________________ b. Osmosis _______________________________________________________ 2. Which solution has a higher water potential: a. Dilute solution b. concentrated solution 3.What happens to A. an animal cell in pure water ?___________________________________________ B. a plant cell in a pure water?____________________________________________ 4. In which situation plant cell become a.turgid __________________________________ b. plasmolysed___________________________________________ 5. What are the characteristics of active transport? Chapter 4 1. Water is important because: _______________________________________________________ _______________________________________________________ 2. Describe the chemical test for: fats, starch, glucose and proteins. 3. What is metabolism? 4. Fill the table: What kind of atom functions in living contain organisms Carbohydrates Proteins Lipids Chapter 5 1. What are enzymes? 2.What are main properties of enzymes? ________________________________________________________ ________________________________________________________ _________________________________________________________ 3. How a temperature and pH affects enzyme activity? 4. What is active site of enzyme? 5.What is the function of : amylase, protease, lipase, catalase,pectinase. 6. If represents a glucose molecule draw (a) a maltose molecule, (b) part of a starch molecule. Give an example for each group