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BIOLOGY FIRST SEMESTER STUDY GUIDE CHAPTER 1 I. Important definition terms and concepts: Science Independent variable Observation dependent variable Data Theory Inference Bias Hypothesis Biology Controlled experiment DNA Controlled group Stimulus II. Sexual reproduction Asexual reproduction Metabolism Homeostasis Biosphere Important discussion ideas: What is the goal of science? List and explain the steps of the scientific methodology. What attitudes help generate new ideas? Why is peer review important? List and explain the characteristics of living things. List the different fields of biology. How do different fields of biology differ in their approach to studying life? What measurement system do most scientists use & how is it important to science? CHAPTER 7 I. Important definition terms and concepts: Cell Endoplasmic reticulum Cell theory Golgi apparatus Cell membrane Lysosome Cell wall Vacuole Nucleus Centriole Cytoplasm Chloroplast Prokaryote Mitochondrion Eukaryote Lipid bilayer Organelle Diffusion Cytoskeleton Selectively permeable Ribosome Osmosis II. Facilitated diffusion Isotonic Hypertonic Hypotonic Osmotic pressure Homeostasis Tissue Organ Organ system Receptor Important discussion ideas: State the cell theory is. Describe how the different types of microscopes work. Compare and contrast prokaryotes and eukaryotes. Describe the functions of the cell wall, cell membrane, cell nucleus, and major cell organelles. Explain the process of diffusion, osmosis, facilitated diffusion, and active transport. Explain how both unicellular & multicellular organisms maintain homeostasis. What is cellular specialization? Know the level of organization. CHAPTER 8 I. Important definition terms and concepts: Adenosine triphosphate Heterotrophy Autotroph Photosynthesis Pigment Chlorophyll Thylakoid II. Important discussion ideas: Describe the role of ATP in cellular activities. Explain where plants get the energy they need to produce food. Explain the role of light and pigments in photosynthesis. Explain the role of electron carrier molecules in photosynthesis. State the overall equation for photosynthesis. Describe what happens during light-dependent reactions and light-independent reactions. Identify factors that affect the rate at which photosynthesis occurs. Stroma Light-dependent reaction Light-independent reaction Photosystem CHAPTER 9 III. Important definition terms and concepts: calorie Anaerobic Cellular respiration Glycolysis Aerobic NAD+ Electron transport chain ATP Synthase Calvin cycle NADP+ Krebs cycle Matrix Fermentation IV. Important discussion ideas: Explain where organisms get the energy they need for life process. Compare photosynthesis & cellular respiration. Describe what happens during glycolysis, the Krebs cycle & electron transport chain. (Make sure to mention where they take place, how ATP is generated from each, and total ATP) Explain how organisms get energy in the absence of oxygen. CHAPTER 10 V. Important definition terms and concepts: Cell division Centriole Asexual reproduction Chromatid Sexual reproduction Metaphase Chromosome Anaphase Chromatin Telophase Centromere Cytokinesis Interphase Cyclin Cell cycle Growth factor Mitosis Apoptosis Prophase Cancer Tumor Embryo Differentiation Totipotent Blastocyst Pluripotent Stem cell multipotent VI. Important discussion ideas: Describe the problems that growth causes for cells. Name and describe the main events of the cell cycle. Describe what happens during the four phases of mitosis. Describe the process of cytoskinesis, and how does it differ in animal and plant cells? Describe how the cell cycle is regulated. Explain how cancer cells are different from other cells. Describe the process of differentiation. Define stem cells and explain their importance. Identify the possible benefits and issues relating to stem cell research. CHAPTER 11 I. Important definition terms and concepts: Genetics Punnett Square fertilization Homozygous Trait Heterozygous Hybrid Phenotype Gene Genotype Allele Independent assortment Principle of dominance Incomplete dominance Segregation Codominance Gamete Multiple alleles Probability Polygenic traits II. Homologous Diploid Haploid Meiosis Tetrad Crossing-over zygote Important discussion ideas: Describe the work of Gregor Mendel. Describe what happens during segregation. Explain how geneticists use the principles of probability. Know how to use the Punnett Square to solve monohybrid and Dihybrid genetic problems. Describe the inheritance patterns that exist aside from simple dominance. Be able to solve problems using the Punnett Square. Explain the relationship between genes and the environment. Contrast the chromosome number of body cells and gametes. Summarize the events if meiosis. Compare and contrast meiosis and mitosis.