Assuming control is required, the following results were found.
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Evaluating methods of pest control
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Control of breathing rate
Investigate how carbon dioxide and oxygen in the air affect the breathing rate of a locust, and compare this with information collected from using a spirometer to investigate human breathing. Experiments
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Control of heart rate
Investigate how heart rate changes with temperature, or under the influence of other chemicals that are physiologically active in mammals and other vertebrates. There are details here of a procedure for investigating living Daphnia, and also a detailed...
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Control and communication
Practicals here will explore sense organs, reflex reactions and compare nerves and hormones as methods of communication in living systems. Experiment collections
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Monitoring the body’s reactions to stress
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Gene induction: ß-galactosidase in E. coli
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Measuring reaction time of a human nerve-controlled reaction
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Controlling body mass
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Nitrogen-fixing bacteria free-living in the soil
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Investigating what makes fruit go brown
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The vertebrate heart in action
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Interpreting an investigation of plant hormones
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Nitrogen-fixing bacteria in root nodules of leguminous plants
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A window on the past: Measuring stomatal density
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Digestion of protein: microbes
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Topics
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Biodiversity in your backyard!
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Aseptic techniques
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Practice makes perfect?
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Digestion of starch: microbes