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Biology 101
Study Guide for Lab Quiz #1 (Summer)
Quiz worth 25 pts
Quiz will cover – Scientific Invest.; Metric System; Org. mol.; Microscope & cell; Diffusion & Osmosis
Format – Multiple choice, Fill-in the blank; Matching; Short answer
Scientific Investigations:
• Know the following terms used in the scientific method:
o Hypothesis; Independent Variable; Dependent Variable; Standardized Variables; Level of Treatment; Prediction; Control; Replication
• Be able to write a hypothesis from questions
• Know the two important characteristics that make a good hypothesis
• Be able write a prediction given the hypothesis & the experimental design
• Know how to design a table or figure
• Go though Review Questions or Apply Your Knowledge in lab manual. I may use some of them in the quiz
Metric System:
• Be able to convert from one unit to another for length, volume and mass
• Explain what zeroing or taring a balance means & why we do it
• Explain how to record correct number of digits using a meter stick
• Be able to measure volume correctly
o Know which glassware measure volume accurately and which ones are only approximate
o Know the term meniscus and how to find the volume
• Be able to convert between Fahrenheit and Celsius
• Know the temperature of boiling water, ice, room temperature, and body temperature in both Fahrenheit and Celsius
• Be able to change very large or small numbers into scientific notation
• Make sure you have answered all the questions in the lab manual – I might use some of them on the quiz
Organic Molecules:
• Be able to distinguish between a protein, lipid, carbohydrate and nucleic acid
• Give examples of proteins, carbohydrates & lipids found in our diet
• Correctly match the various reagents with the type of organic substance being tested
• Based on given lab results determine if a substance contains reducing sugars, starches, proteins and/or fats
Microscopes:
• Know how to care for the microscope
• Know the steps in using the microscope
• Be able to label the parts of the microscope listed on page 44
• Know how to calculate TM
Cells:
• Know the difference between a prokaryote & eukaryote
• Using figure 1 & 2 be able to identify the shape and arrangement from a drawing of bacteria
• Be able to identify structures of an animal cell and a plant cell from diagrams
• Know that we use methylene blue to stain animal cells & iodine to stain plant cells
Diffusion and Osmosis
• Know the meaning of terms solute, solvent, selectively permeable membrane, osmosis, diffusion
• Learn the fate of animal and plant cells placed in isotonic, hypertonic or hypotonic solutions. Learn scientific terms for the processes
• Why do plant and animal cells behave differently in response to some solutions?
• What happens to an Elodea cell placed in water, in 0.9% NaCl and 10% NaCl?
• Be able to apply your knowledge to practical situations
• Go through review questions. I may use some of them in the quiz
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