Published experiments
Here's our full list of experiments:-
- A closer look at blood
- A model for natural selection – spaghetti worms
- A simple model for natural selection
- A window on the past: Measuring stomatal density
- About Practical Biology
- Aseptic techniques
- Assessing human hearing
- Assessing skin sensitivity – locating different receptors
- Assessing skin sensitivity – temperature receptors
- Assessing skin sensitivity – touch discrimination
- Biodiversity in your backyard!
- Brine date
- Changes in earthworm responsiveness
- Cloning a living organism
- Comparing the flower structure of different angiosperms
- Controlling body mass
- Digestion of protein: microbes
- Digestion of starch: microbes
- Dissecting lungs
- Dissection of the ventilation system of a locust
- Effect of size on uptake by diffusion
- Elastic recoil in arteries and veins
- Enzyme-catalysed synthesis
- Estimating rate of transpiration from a plant cutting
- Evaluating methods of pest control
- Evaluating Visking tubing as a model for a gut
- Extracting DNA from living things
- Extracting fibres from plants
- Following gene transfer by conjugation in bacteria
- Gene induction: ß-galactosidase in E. coli
- Going up in smoke
- Hazards of defrosted food
- How do plants and animals change the environment around them?
- How good is your toilet paper?
- How much energy is there in food?
- Identifying the conditions needed for photosynthesis
- Incubating and viewing plates
- Interpreting an investigation of plant hormones
- Interpreting information about sweating and temperature
- Introducing ideas about inheritance
- Investigating an enzyme-controlled reaction: catalase and hydrogen peroxide concentration
- Investigating anti-microbial action
- Investigating effect of concentration on the activity of trypsin
- Investigating effect of temperature on the activity of lipase
- Investigating enzymes used in laundry detergents
- Investigating factors affecting the breathing rate of a locust
- Investigating factors affecting the heart rate of Daphnia
- Investigating factors affecting the rate of photosynthesis
- Investigating how we see colour
- Investigating mitosis in allium root tip squash
- Investigating osmosis in chickens’ eggs
- Investigating photosynthesis using immobilised algae
- Investigating the effect of amylase on a starchy foodstuff
- Investigating the effect of concentration of blackcurrant squash on osmosis in chipped potatoes
- Investigating the effect of minerals on plant growth
- Investigating the effect of pH on amylase activity
- Investigating the effect of temperature on plant cell membranes
- Investigating the effects of biochar on soil fertility
- Investigating the light dependent reaction in photosynthesis
- Investigating the response of Calliphora larvae to light
- Investigating the response of worms to soil improvers
- Investigating the resting posture of peppered moth larvae
- Investigating transport systems in a flowering plant
- Investigating turn alternation behaviour of woodlice
- Investigating what makes fruit go brown
- Looking at a heart
- Maintaining and preparing cultures of bacteria and yeasts
- Making a calibration curve for starch concentration
- Making a pour plate
- Making a spread or ‘lawn’ plate
- Making a streak plate
- Making Reebops: a model for meiosis
- Making serial dilutions
- Making up nutrient agars
- Mapping change over time
- Measuring rate of water uptake by a plant shoot using a potometer
- Measuring reaction time of a human nerve-controlled reaction
- Measuring respiratory quotient
- Measuring the rate of metabolism
- Measuring the Vitamin C content of foods and fruit juices
- Microbes all around us
- Microbes ate my homework
- Microscale investigations of catalase activity in plant extracts
- Modelling effect of aspirin on blood clots
- Modelling the human ventilation system
- Modelling the sliding filament hypothesis
- Monitoring the body’s reactions to stress
- Monitoring water pollution with invertebrate indicator species
- Movement of seed beetles
- Nitrogen-fixing bacteria free-living in the soil
- Nitrogen-fixing bacteria in root nodules of leguminous plants
- No stomach for it: investigating antacid medication
- Observing blood circulation in Asellus
- Observing earthworm locomotion
- Observing osmosis, plasmolysis and turgor in plant cells
- Observing patterns in the distribution of a simple plant
- Observing protoctista in water using the hanging drop technique
- Observing the effects of exercise on the human body
- Observing the growth of pollen tubes
- Observing water moving through plants
- Pouring an agar plate
- Practical Work for Learning
- Practice makes perfect?
- Preparing an anther squash
- Preserving food
- Quantitative food test: protein content of powdered milk
- Recording variation in ivy leaves
- Selection in action – banded snails
- Selection in action – peppered moths
- Structure of synovial joint with tendons and ligaments
- Studying animal behaviour
- Testing leaves for starch: the technique
- The vertebrate heart in action
- Topics
- Tracking active uptake of minerals by plant roots
- Using a choice chamber to investigate animal responses to stimuli
- Using a spirometer to investigate human lung function
- Welcome to Practical Biology
- Working with immobilised enzymes or microscopic organisms