Semester Exam Review Sheet The review sheet is separated into each specific area we covered this semester. Under each major topic you will need to answer each question. Use your notes and textbook to answer each question. The test itself will include multiple choice, matching, graphs, charts and essays. Characteristics of Life Name all 8 eight characteristics of life Why is homeostasis so important? Understand the atomic structure of elements and how to read a periodic table. What are the 7 properties of water? What is the difference between a polar and nonpolar molecule? Write down the pH scale and include all important information. Fill in the chart: Carbohydrates Elements: Functions: Building Blocks: Examples: Lipids Proteins Nucleic Acids What is the difference between an organic molecule and an inorganic molecule? Compare and contrast dehydration synthesis and hydrolysis reactions. What are molecular formulas and structural formulas? Be able to recognize the structural formulas for all biomolecules and be able to draw structural formulas. Enzymes: o What are they? o Why are they important? o What are some of their unique properties? o Define activation energy and explain how this relates to enzymes? Explain why tests with reagents are important to identify particular biomolecules: a. Iodine identifies _______________________ b. Biuret solution identifies ________________. c. Benedict’s solution identifies _____________________. Scientific Method State the steps of the scientific method. Why is it important to repeat experiments? How do you determine dependent and independent variables, as well as a control. Be able to set up and interpret charts, graphs, and data tables. o How do you properly scale a graph? o Where does the dependent and independent variable go on the graph? Cells Describe the 3 ideas involved with the cell theory. How did the following scientist contribute to our understanding of cells? o Anton van Leeuwenhoek o Robert Hooke o Schleiden o Schwann o Virchow Be able to identify types of cells by viewing images. In addition, be able to identify organelles in cell pictures. _____________ CELL _____________ CELL ____________ CEL CHARACTERISTICS OF CELLS TRAIT Prokaryote or Eukaryote? Encloses Cytoplasm of Cell? Presence of Nuclear Membrane? Presence of Cell Wall? DNA in Single or Multiple Chromosomes? Presence of Cytoskeleton? Vacuoles --Small, Large, None? Presence of Lysosomes? With or without Centrioles? Chloroplasts? Cell Size --Small or Very Small? Mitochondria? Ribosomes? Function or Description: Present In: PLANT ANIMAL BACTERIA CELL CELL Be able to identify the key components to a cell membrane: Draw below including :phospholipids, polar heads, nonpolar tails, proteins, carbohydrates, lipid bilayer. What is the difference between osmosis and diffusion? Predict what would happen to a plant and animal cell in the following solutions: Determine what will happen below: Compare and contrast the following: o Endocytosis vs. Exocytosis o Passive transport vs. Active Transport Explain how cells behave if they are unicellular vs. multicellular. Know how cells become specialized? Lab techniques: o Be able to identify key parts of a microscope o How do you make a wet mount slide? o How do you determine total magnification? Photosynthesis and Cell Respiration: What is the role of a leaf? o Understand leaf structure o Know the function of a pigment and a few examples? Be able to draw and label an ATP molecule and an ADP molecule? o Which one has more energy? Know the overall chemical equation for: o Photosynthesis: o Cell Respiration: Fill in the following chart: Reaction: Photosynthesis, Aerobic Cell Respiration or Anaerobic Respiration? Light Dependent Calvin Cycle Glycolysis Krebs Cycle ETC Lactic Acid Fermentation Alcoholic Fermentation Location of Reaction Function or importance: Label the following: Be able to compare and contrast the following: o Photosynthesis and cell respiration o Aerobic and Anaerobic respiration Cell Cycle and Cancer Know why cells are the size they are o Understand surface area to volume ratios o Know how to calculate surface area to volume Understand the cell cycle and describe what is happening in each stage. What is cancer and how is it caused? o Know key terminology like: benign, malignant, metastasize, oncogene, protooncogene, tumor suppressor gene, p53 and apoptosis Mendelian Genetics From Chapter 11: 1. Who is Gregor Mendel and what did he contribute to science? 2. What organism did Gregor Mendel study? 3. What are the four basic principles that Mendel discovered in his experiments? 4. Answer the following questions. In flowers, if R is red and r is white. a. Genotype of a homozygous dominant individual? ______ Phenotype: ______ b. Genotype of a homozygous recessive individual? _______Phenotype: ______ c. Genotype of a heterozygous individual? _______Phenotype: ______ 5. Using the same information from question 3: a. if a pink flower would be produced what has happened? __________________ b. if a flower that is spotted red and white what has happened? __________________ 6. Show me a cross between a heterozygous red and homozygous dominant flower. What are the genotypic and phenotypic results? 7. Show me a cross between two heterozygous parents. What are the genotypic and phenotypic results? 8. If brown hair and brown eyes is dominant and blonde hair and blue eyes is recessive: a. What are the possible gametes that a heterozygous parent could produce? b. Is this a dihybrid or monohybrid cross? c. How do you know? 9. List all the possible ways variation is created in a species: (There is at least 5). 10. What is probability? 11. What is the chance that you will toss a quarter and get heads three times in a row. Show your work. 12. If there was 5 red jellybeans, 2 blue jellybeans, 3 yellow jellybeans, 1 purple, and 4 green jellybeans in a bag. a. What is the chance that you would pull out a red jellybean. __________ b. What is the chance that you would pull out a blue jellybean, then a red, then a yellow, then a purple and last a green. (you put back the jellybeans everytime). Show your work. 13. Be able to recognize and explain NON-Mendalian Genetics: a. Incomplete Dominance b. Codominance c. Multiple Alleles d. Polygenic Inheritance e. Environmental Factors 14. Be able to discuss blood types 15. Be able to work with monohybrid and dihybrid crosses. 16. Compare/Contrast Mitosis and Meiosis. You need at least 5 comparisons for this answer. 17. In which phase of meiosis is crossing over occurring? Does this create variation? Draw a chromosome to show me how? 18. What is the difference between haploid cells and diploid cells? Give examples of cells in your body that are haploid and diploid. 19. Suppose for an organism 2N=8. How many chromosomes do the organism’s gametes have? 20. How do male and female human gametes compare and contrast? State at least 4 comparisons. 21. Compare the phases of meiosis I with the phases of meiosis II in terms of the number and arrangement of chromosomes. 22. Be able to recognize the differences between chromatin and chromosomes. MAKE SOME HETEROZYGOUS MONOHYBRID CROSSES A black coat (B) is DOMINANT in guinea pigs. A brown coat (b) is RECESSIVE. What is the genotype of a HOMOZYGOUS BLACK guinea pig? = _______ What is the GENOTYPE of a HETEROZYGOUS BLACK guinea pig? =_________ What is the GENOTYPE of a brown guinea pig? =__________ Make a cross between TWO HETEROZYGOUS BLACK guinea pigs. Genotypes of Parents: __________ X __________ POSSIBLE OFFSPRING GENOTYPES ________________________________________ POSSIBLE OFFSPRING PHENOTYPES ________________________________________ What is the probability that a baby will be black? _________ % What is the probability that a baby will be brown? _________% What is the probability the baby will be a HYBRID? ________% What is the probability the baby will be HOMOZYGOUS DOMINANT ? _________% What is the probability the baby will be HOMOZYGOUS RECESSIVE? ___________% INCOMPLETE DOMINANCE: In Four O’clock plants RED FLOWERS (R) are INCOMPLETELY dominant over white (r) flowers. Heterozygous plants show a blended intermediate phenotype of PINK flowers. MAKE A CROSS WITH 2 HETEROZYGOUS FOUR O’CLOCK PLANTS. Genotypes of Parents: __________ X __________ Genotypes___________________________ Genotypic Ratio ______________________ Phenotypes __________________________ Phenotypic Ratios _____________________ IF the red allele in Four-o’clocks WAS COMPLETELY DOMINANT over the white allele, what would the phenotype be for a plant with Rr genotype? ____________________ BLOOD TYPES: In the ABO blood type system the A and B alleles are dominant to O allele, and A and B are codominant to each other. Make a cross between an AO mom and an BO dad. What are the possible genotypes of the offspring? ________ _________ _________ _________ What is the probability the offspring will have: A type blood ____% B type blood _____% O type blood _____% AB type blood _______% Cross a HETEROZGOUS TALL, HETEROZYGOUS ROUND pea with a PURE SHORT, WRINKLED pea. Parent's genotypes __________ X __________ Possible gametes ____ ____ ____ ____ How many out of 16 will be: _______ TALL ROUND _______ TALL WRINKLED _______ SHORT ROUND _______ SHORT WRINKLED ____ ____ ____ ____