BIO103 EXAM 1 Study Guide (Chapters 1 – 4) Chapter 1 – The Science of Life 1. List & Explain the characteristics required for life. 2. What is taxonomy? 3. Binomial nomenclature is a naming process which uses what two classifications? List 2 examples. 4. Energy _______________ through an ecosystem, whereas nutrients _______________ through each level. 5. In an ecosystem, describe what each of the following are responsible for (in reference to Energy and Nutrients): a. Producers: b. Consumers: c. Decomposers: Page 1 of 8 BIO103 EXAM 1 Study Guide (Chapters 1 – 4) 6. Differentiate between the terms Metabolism and Homeostasis. 7. Define Dependent Variable. 8. Define Independent Variable. 9. Imagine you have a stain on your favorite shirt and you must get it clean in order to wear it for an important meeting. Use the 5 steps to the scientific method to determine the following: a. What is your observation? b. What is your hypothesis? c. What will be the experiment that you will run? d. What is the independent variable (what are you manipulating)? e. What is the dependent variable (what are you measuring)? f. How will you know if your hypothesis was valid or not? Page 2 of 8 BIO103 EXAM 1 Study Guide (Chapters 1 – 4) Chapter 2 – The Chemical Basis of Life 1. What are the top 4 elements that make up 96% of the human body? 2. The image here shows the periodic table designation for Magnesium. 3. What is the atomic mass? _____________ What is the atomic number? ______________ How many protons does it contain? _____________ How many neutrons does it contain? ________________ How many electrons does it contain? _______________ How many electrons are in the outer valence shell? ____________ Compare and contrast the three types of bonds: How do the electrons interact in each type of bond? Ionic Bond Covalent Bond Hydrogen Bond Page 3 of 8 12 Mg 24.31 BIO103 EXAM 1 Study Guide (Chapters 1 – 4) 4. What is the difference between a base and an acid? 5. List the five important characteristics of water that allow it to sustain life? 1. 2. 3. 4. 5. Page 4 of 8 BIO103 EXAM 1 Study Guide (Chapters 1 – 4) Chapter 3 – The Organic Molecules of Life Fill in the following table with all of the information learned about organic molecules. 1. a. NOTE: YOU WILL BE USING THIS INFORMATION FOR THE REMAINDER OF THE SEMESTER, I RECOMMEND THAT YOU TAKE EXTRA TIME TO COMPLETE THIS. Molecule Monomer(s) Name Polymer Name(s) Carbohydrate Lipid Protein Nucleic Acid Page 5 of 8 Examples/Usefulness/ Special Characteristics BIO103 EXAM 1 Study Guide (Chapters 1 – 4) 2. Compare and contrast dehydration synthesis and hydrolysis. Draw a diagram of the formation and breakdown of the Disaccharide Sucrose to show how this occurs. 3. Label the following images with the correct organic group. Use the following: a. b. c. d. ______ Carbohydrate Lipid Protein Nucleic Acid ______ ______ ______ ______ Page 6 of 8 ______ BIO103 EXAM 1 Study Guide (Chapters 1 – 4) Chapter 4 – Inside the Cell 1. What is the difference between the images seen with a scanning electron microscope versus a transmission electron microscope? 2. List and explain the purpose of the 6 major types of membrane proteins. 1. 2. 3. 4. 5. 6. 3. Label the different parts to the prokaryotic cell below: a. b. c. d. e. f. g. h. Page 7 of 8 BIO103 EXAM 1 Study Guide (Chapters 1 – 4) 4. What is the difference between Smooth and Rough ER? 5. Why do plants cells have cell walls? What organic compound are they made of? Match the following organelles with the correct function/description: a. Plasma Membrane h. Mitochondria b. Nucleus i. Chromosomes c. Nucleolus j. Ribosomes d. Endoplasmic reticulum k. Centrioles e. Golgi Apparatus l. f. m. Flagella Lysosomes g. Vacuoles Cilia n. Cell wall 6. _____ Composed of DNA-protein complex; contains genes 7. _____ Granular body within nucleus; site of ribosome synthesis 8. _____ Granular organelles composed of RNA & protein; synthesize proteins 9. _____ Large structure surrounded by double membrane; location of DNA 10. _____ Long projections; cellular locomotion 11. _____ Membrane boundary of cell; regulates cell transport 12. _____ Membranous sacs; contains enzymes to digest materials in animals 13. _____ Membranous sacs; transport and store water & other materials 14. _____ Multiple-layers of cellulose; structural support in plants 15. _____ Network of internal membranes; site of membrane lipid & protein synthesis 16. _____ Sacs containing 2 membranes; site for cellular respiration 17. _____ Short hair-like structures used for movement. 18. _____ Small hollow cylinders; involved in cell division in animals 19. _____ Stacks of flattened membrane sacs; modifies, packages & secretes proteins Page 8 of 8