Part Number CD Title Virtual Labs Objectives
525826 Lab 1: Diffusion and Osmosis Diffusion Construct models of cells using dialysis tubing to simulate the selectively permeable nature of the plasma membrane
Study the effects of diffusion through a selectively permeable membrane
Predict the characteristics of substances that allow them to pass through a selectively permeable membrane
Osmosis Construct models of cells using dialysis tubing to simulate the selectively permeable nature of the plasma membrane
Observe the effects of osmosis on a model cell
Predict the effect of solute concentration on osmosis
Water Potential Observe the effects of water potential on cells placed in hypotonic and hypertonic solutions
Calculate the percent change in mass of potato cores over the course of the experiment
Predict the approximate solute concentration inside the potato tuber
Onion Cell Plasmolysis Prepare a wet mount slide of onion epidermal cells
Observe the effects of hypertonic and hypotonic solutions on a plant cell
Predict the conditions under which plasmolysis and turgidity would occur in living plants
525830 Lab 2: Enzyme Catalysis Observation of Catalase Action Observe the effect of the addition of catalase to a hydrogen peroxide solution
The Effect of Boiling on Catalase Action Demonstrate the effect of boiling on enzymatic activity
Catalase Action in Living Tissue Demonstrate the presence of catalase in living tissue
Observe the effect of catalase on hydrogen peroxide
Uncatalyzed Rate of Hydrogen Peroxide Decomposition Determine a baseline spontaneous conversion of hydrogen peroxide to water and oxygen
Enzyme-Catalyzed Rate of H2O2 Decomposition Perform titrations to determine the amount of H2O2 remaining in various samples
Predict the effects of varying pH, temperature, substrate concentration, and enzyme concentration on enzyme reaction rates
525834 Lab 3: Mitosis and Meiosis Preparing an Onion Root Tip Squash Prepare an onion root tip squash
Observe plant cells in different stages of mitosis
Observe chromosomes in rapidly dividing plant cells
Mitosis in Plant Cells Observe plant cells in different stages of mitosis
Observe chromosomes in rapidly dividing plant cells
Comparing Mitosis in Plant and Animal Cells Observe chromosomes in rapidly dividing plant and animal tissues
Identify the phases of mitosis in plant and animal cells
Compare and contrast the process of mitosis between plant and animal cells
Crossing of Sordaria Wild-Type and Mutant Strains Observe the result of crossing over in ascospore production in the fungus Sordaria fimicola
Identify hybrid versus nonhybrid asci
Calculate the percentage of asci that underwent crossing over during meiosis
Quantify the distance from ascospore color gene to centromere in Sordaria fimicola in map units
Viewing Crossing Over in Sordaria Observe the result of crossing over in ascospore production in the fungus Sordaria fimicola
Identify hybrid versus nonhybrid asci
Calculate the percentage of asci that underwent crossing over during meiosis
Quantify the distance from ascospore color gene to centromere in Sordaria fimicola in map units
525838 Lab 4: Plant Pigments and Photosynthesis Paper Chromatography Understand the use of chromatography in identifying compounds
Perform chromatography to identify the pigments of green leaves and autumn leaves
Calculate the Rf values of the individual pigments of green plants
Study the functional relationship of plant pigments and their roles in photosynthesis
The Light Reactions Identify the necessary components for the light reactions of photosynthesis
Quantify the rate of photosynthesis under different experimental conditions, including boiled/unboiled chloroplasts, and light/dark environment
Construct a graph of the photosynthetic rate exhibited under each experimental condition
525842 Lab 5: Cell Respiration Cell Respiration Understand the relationship between temperature, pressure, and gas volume
Quantify oxygen consumption rates in germinating peas under different conditions
Predict the effect of temperature and germination state on rate of cell respiration
525846 Lab 6: Molecular Biology Bacterial Transformation-
Ampicillin Resistance
Understand the techniques used in genetic engineering
Demonstrate the process of bacterial transformation
Identify transformed bacterial cells
Calculate transformation efficiency
Restriction Enzyme Cleavage of DNA and Electrophoresis Understand how electrophoresis separates and sorts DNA fragments
Use a standard molecular weight curve to determine the base pair size of DNA fragments
Compare the banding pattern on a gel and the various-sized DAN fragments resulting from digesting lambda DNA with various enzymes
Demonstrate the effects of restriction enzymes on DNA
Understand the principles and practice of electrophoresis
Demonstrate the use of agarose gel electrophoresis
525850 Lab 7: Genetics of Organisms Identification of Wild-type Characters and Sex in Drosophila Melanogaster Observe the stages of the fruit fly life cycle
Review the principles of Mendelian inheritance patterns
Perform genetic crosses with the fruit fly, Drosophila melanogaster
Formulate hypotheses regarding the results of the fruit fly crosses
Statistically test the hypotheses regarding inheritance patterns using a Chi-square test
Examination of the F1 Hybrids and the F2 Generation Observe the stages of the fruit fly life cycle
Review the principles of Mendelian inheritance patterns
Perform genetic crosses with the fruit fly, Drosophila melanogaster
Formulate hypotheses regarding the results of the fruit fly crosses
Statistically test the hypotheses regarding inheritance patterns using a Chi-square test
525854 Lab 8: Population Genetics and Evolution Estimating Allele Frequencies for One Trait Within a Sample Population Calculate allele frequencies for a single trait among a given population
Perform a test to determine the alleles inherited for a single human trait
Testing an Ideal Hardy-
Weinberg Population
Test Hardy-Weinberg equilibrium in an ideally reproducing population
Estimate the allele frequencies after several generations of random mating in a given population
Selection Against a Deleterious Allele Test the Hardy-Weinberg equilibrium in a reproducing population with a deleterious allele
Estimate the allele frequencies after several generations of random mating in a given population
Understand that in the natural environment some genotypes have a higher rate of survival than others
525858 Lab 9: Transpiration Measuring Transpiration with a Potometer Describe the process of transpiration
Demonstrate the effects of environmental factors on transcription
Explain the role of water potential in transpiration
Examining Plant Stem Structure Examine the structure of stem tissue
Relate osmosis and root absorption to root structure
Understand the process of water and nutrient transport in plants
525862 Lab 10: Physiology of the Circulatory System Measuring Blood Pressure Use a sphygmomanometer to obtain a blood pressure reading
A Test of Cardiovascular Fitness Use a sphygmomanometer to obtain a blood pressure reading
Measure blood pressure and pulse rates at rest and following exercise
Assess the relative cardiovascular fitness of an individual
The Influence of Temperature on Heart Rate in Daphnia Observe the effect of temperature change on the heart rate of an invertebrate
Graph the relationship between heart rate and temperature in an invertebrate
525866 Lab 11: Animal Behavior Orientation Behavior in Sow bugs Determine habitat preference for the variables tested in sow bugs
Design an experiment to test a prediction regarding habitat preference in sow bugs
Courtship and Breeding Behavior in Drosophila Melanogaster Observe mating behaviors in the fruit fly, Drosophila melanogaster
Describe the mating behaviors in the fruit fly
525870 Lab 12: Dissolved Oxygen and Aquatic Primary Productivity The Effect of Temperature on Dissolved Oxygen Observe the effect of temperature on the dissolved oxygen content of fresh water
Graph the relationship between temperature and dissolved oxygen in water
Perform chemical tests to determine the dissolved oxygen concentration in water
The Effect of Light Intensity on Dissolved Oxygen Stimulate the effect of light intensity as a function of water depth with respect to the amount of dissolved oxygen present in algae water
Graph the net and gross productivity of algae water exposed to different light intensities