Biology 392 Midterm Review! 2012 Round 1: The Science of Biology Question #1 In an experiment this is used as a standard to which test groups can be compared. Question #2 A possible explanation based on prior knowledge or experience without direct observation Question #3 The factor in an experiment that is altered for each test group in order to see the affect it may have Question #4 The other factors in an experiment that are maintained or kept the same in each test group and the control group so that they do not affect the results Question #5 List the seven steps of the scientific process in order. Question #6 An important skill used in science in which information is collected through the senses Question #7 When an object is viewed under a microscope how is the objects orientation changed? Question #8 A well-tested explanation that unifies a broad range of observations Question #9 Which metric unit would be most useful in describing the length of an organism you are viewing under a microscope? Question #10 What is the base S.I. unit for measuring weight or mass? Round 1 Answers: 1. Control group 2. inference 3. independent variable 4. constants 5. Ask a question, do research, develop a hypothesis, do the experiment, collect data, analyze the data conclude 6. observation 7. upside down and backwards 8. theory 9. micrometer (µm) 10. gram Round 2: Biochemistry Question #1 What does the atomic number tell you about an atom? Question #2 How many neutrons does lithium have? Question #3 2 H2O2 2 H2O + O2 What is (are) the reactant(s) in this equation? Question #4 An atom that has lost or gained electrons is called…. Question #5 An atom that has a different number of neutrons such as Carbon 14 is called… Question #6 What 2 subatomic particles make up the nucleus? Question #7 What is the energy needed to get a reaction started called? Question #8 Type of bond that is formed when atoms share a pair of electrons in order to fill their valence levels Question #9 A solution that has a pH of 10.0 is an acid or a base? Question #10 Water molecules are polar. Which end is slightly negative and which end is slightly positive? Round 2 Answers: 1. # of protons 2. 4 neutrons 3. 2H2O2 4. ion 5. isotope 6. Protons and neutrons 7. Activation energy 8. Covalent bond 9. base 10. O- slightly negative, H and H slightly positive Round 3: Nutrition, Digestion, Excretory Question #1 What enzyme is released in saliva? What does it break down? Question #2 Tube that carries urine from the bladder and releases it from the body Question #3 Small network of cappilaries that sits inside the Bowman’s capsule Question #4 • Describe all of the stuctures that make up the digestive tract (6) Question #5 In which organ is water absorbed into the bloodstream? Question #6 Organic nutrient that helps regulate body processes, can be fat-soluble or water soluble Question #7 Inorganic nutrient that the body needs, usually in small amounts Question #8 What gives the small intestine so much surface area? (name two things) Question #9 What produces saliva? Question #10 What makes bile and what stores and release bile? Round 3 Answers: 1. amylase, breaks down starch 2. urethra 3. glomeruls 4. mouth, pharynx, esophagus, stomach, small intestine, large intestine 5. large intestine 6. vitamin 7. mineral 8. long shape, villi, microvilli 9. Salivary glands 10. liver, gall bladder Round 4: Cell Structure Question #1 Selectively permeable, controls what can come in and out of the cell Question #2 “powerhouse of the cell”, organelle in which ATP are made Question #3 Control center of the cell Question #4 An organelle that contains chlorophyll Question #5 Organelle found only in animal cells Question #6 Protein synthesis happens at this organelle Question #7 Organelle that contains many enzymes to perform intracellular digestion or breakdown or materials within the cell Question #8 Organelle that packages materials to leave the cell Question #9 Organelle which stores water and excess materials, very large in plant cells, smaller in animal cells Question #10 Liquid portion of the cell in which all organelles can be found Round 4 Answers 1. Cell membrane 2. mitochondria 3. nucleus 4. chloroplast 5. centrioles 6. ribosome 7. lysosome 8. golgi 9. vacuole 10. cytoplasm Round 5: Transport through Cell Membranes Question #1 What type of transport requires energy? Question #2 Water will diffuse across a membrane to the are of _____________ concentration Question #3 • What is it called when both sides of the membrane have about equivalent concentrations but substances continue to move across the membrane in both directions? Question #4 The passive movement of ions through an open protein channel in the membrane is an example of this type of transport Question #5 If an egg placed in a solution shrinks then the solution must have been… Choose: Hypertonic, Isotonic or Hypotonic Question #6 If an egg placed in a solution swells then the egg must have been… Choose: Hypertonic, Isotonic or Hypotonic Question #7 What type of transport is this? Question #8 What type of transport is this? Question #9 Diffusion occurs from ______ concentration to _____ concentration Question #10 Active transport occurs from ______ concentration to _____ concentration Round 4 Answers: 1. active 2. higher 3. Dynamic equilibrium 4. Facilitated diffusion 5. hypertonic 6. hypertonic 7. diffusion 8. exocytosis 9. High to low 10.Low to high Round 6: Speed Round!!! Question #1 Single-celled organisms that do not have a true nucleus Question #2 Name an organelle that plant cells have but animals cells don’t Question #3 What is the mass number of Carbon 14? Question #4 Which 2 of the 4 carbon compounds contain nitrogen? Question #5 Carbon compound that is the major source of energy for the human body Question #6 What are the 3 sub-atomic particles? Question #7 • The outermost orbital of electrons are called ____________ electrons. Question #8 When a molecule has a slight charge at either end of the molecule due to an unequal sharing of electrons the molecule is said to be _______. Question #9 The type of bond formed when one atom gives 1 or more electrons away to another atom Question #10 Mixture of stomach fluids and food produced in the stomach Speed Round Answers: 1. prokaryote 2. chloroplast 3. 14 4. protein, nucleic acid 5. carbohydrate 6. electron, protons and neutrons 7. valence 8. polar 9. Ionic bond 10. chyme Round 7: PHOTOSYNTHESIS Question #1 What are the reactants of photosynthesis? Question #2 Where does the Calvin Cycle take place? Question #3 Ingenhouz showed that plants produce oxygen when exposed to… Question #4 Plants appear green because… Question #5 Energy is released from ATP by breaking bonds between… Question #6 • Where are photosystems I and II found? Question #7 Openings in the leaf that allow for gas exchange Question #8 Part of Photosynthesis in which NADPH, ATP and CO2 are used to build sugars Question #9 The products of photosynthesis are… Question #10 • Photosynthesis takes place in which organalle? Round 7 Answers: 1. light, water, CO2 2. stroma 3. light 4. Chlorophyll reflects green light 5. Phosphate groups 6. Thylakoid membrane 7. stomates 8. Calvin Cycle 9. High energy sugars and oxygen 10. chloroplast Round 9: Plant Structures and Ecology Question #1 How much energy is lost between one trophic level and the next? Question #2 What vessels transports water and minerals in the plant? Question #3 Photosynthesis occurs in which plant structure? Question #4 When plants move sugars from leaves to roots which is the “sink”? Question #5 Herbivores can only be found on which trophic level? Question #6 What kind of tissue makes up the outer covering of the plant? Question #7 Type of symbiotic relationship in which one organism benefits and the other is harmed from the behavior of the other Question #8 These organisms can make their own food by harnessing energy from the sun or inorganic chemicals Question #9 All of the members of one type of species living in an area Question #10 Nonliving factors in an ecosystem are called… Round 9 Answers: 1. 90% 2. xylem 3. leaf 4. The roots 5. 2nd trophic level 6. Dermal tissue 7. parasitism 8. autotrophs 9. population 10. Abiotic factors Round 10: Cell Respiration Question #1 What is added to convert pyruvic acid (pyruvate) into lactic acid (lactate)? Question #2 What are the products of aerobic respiration? Question #3 What is the primary function of fermentation? Question #4 Which type of respiration requires oxygen? Question #5 What molecule starts glycolysis? Question #6 What is the net total of ATP in aerobic respiration? Question #7 What are the two electron carriers used in respiration? Question #8 Where does glycolysis occur? Question #9 What gas is made during alcoholic fermentation? Question #10 Where does the Krebs cycle occur? Round 10 Answers: 1. H+ and 2 e- from NADH 2. water, carbon dioxide and energy (ATP) 3. To regenerate NAD+ 4. aerobic 5. glucose 6. 36 ATP 7. NADH and FADH2 8. cytoplasm 9. Carboin dioxide (CO2) 10. Matrix of the mitochondria Round 11: Speed Round! Question #1 What are the living components in an ecosystem called? Question #2 What is the enzyme called that forms ATP from ADP and P? Question #3 What type of plant tissue carries sugars? Question #4 Type of symbiotic relationship in which one organism benefits and the other is not helped or harmed by the actions of the other. Question #5 The first trophic level are always the _________ Question #6 Sac-like organ that stores urine Question #7 Functional unit of the kidney that does filtration, reabsorption and secretion Question #8 What anchors a plant in the ground? Question #9 In plants, which type of tissue produces new cells? Question #10 An organisms role or particular status within an ecosystem THE END Round 11 Answers: 1. biotic factors 2. ATP synthase 3. phloem 4. commensalism 5. Producers or autotrophs 6. bladder 7. nephron 8. roots 9. meristem 10. niche