Meizoso_Biology_Midterm_Study_Guide_Answer_Guide.doc

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Meizoso Biology MIDTERM Review QUESTION WITH ANSWERS NAME_______________________________________________________ Goal 1: Learner will develop abilities necessary to do and understand scientific inquiry. 1.01 Identify biological problems and questions that can be answered through scientific investigations. KNOW your scentisits. 1.2 Design and conduct scientific investigations to answer biological questions (create testable hypotheses, identify variables, use a control or comparison group when appropriate, select and use appropriate measurement tools, collect and record data, organize data into charts and graphs, analyze and interpret data, communicate findings). What is the independent variable? The dependent variable? Temperature Breathing rate What is the best type of graph for this data? Why? Line (each point has two numbers) What happens to breathing rate with increase in Temp? Breathing rate increases What would be a good control for this experiment? Measure breathing rate of fish in regular environment How do you think the breathing rate was measured? Counting movements of gill cover or mouth openings What do you think would happen if you raised the temperature even more? Fish might die at some point – living systems cannot handle too much increase in T. Why would it be a bad idea to do this? Death of fish Goal 2: develop an understanding of the physical, chemical and cellular basis of life. 2.1 Compare and contrast the structure and functions of the following organic molecules: Macromolecules Function Subunits Carbohydrates Quick energy; plant cell walls Monosaccharides such as glucose Proteins Serve as enzymes, antibodies, plasma membrane inclusions; carrier molecules (hemoglobin); structural Amino acids Lipids Long term energy storage, insulation, plasma membranes Glycerol and 3 fatty acids Nucleic Acids Carry instructions for making proteins; also carry those instructions to the ribosomes Nucleotides (sugar, phosphate, Nit. base) Specific Molecule Function Subunits Starch carbohydrate Plants store glucose as starch – source of energy glucose Cellulose carbohydrate Form the cell walls of plants glucose Insulin protein Used to help store glucose in liver as glycogen Amino acids Glycogen carbohydrate Animals store glucose as glycogen – source of energy Glucose Glucose carbohydrate Simple sugar used in cellular respiration (aerobic and anaerobic); energy is released Enzymes protein Catalysts for chemical reactions (both synthesis and decomposition) Amino acids 1
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Meizoso Biology MIDTERM Review QUESTION WITH ANSWERS Hemoglobin protein Oxygen carrier molecule found in the blood Amino acids Fats lipids Used for long term energy storage and insulation – as well as forming cell membranes Glycogen and fatty acids DNA Nucleic acid Found in nucleus – carries instructions for making proteins nucleotides RNA Nucleic acid
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