Investigate a factor affecting the initial rate of an enzyme controlled reaction.

Use of the light microscope, including simple stage and eyepiece micrometers and drawing small numbers of cells from a specialised tissue.

Make a temporary squash preparation of a root tip to show stages of mitosis in the meristem under the light microscope.

Investigate the effect of sucrose concentrations on pollen tube growth.

Investigate the effect of temperature on beetroot membrane permeability.

Determine the water potential of plant cells.

Water potential = turgor pressure + osmotic potential

\(ψ = P + π\)

Dissect an insect to show the structure of the gas exchange system.

Investigate factors affecting water uptake by plant shoots using a potometer.

Investigate factors affecting the rate of respiration using a respirometer.

Investigate the effects of different wavelengths of light on the rate of photosynthesis.

Investigate the presence of different chloroplast pigments using chromatography.

Investigate the rate of growth of bacteria in liquid culture.

Isolate individual species from a mixed culture of bacteria using streak plating.

Investigate the effect of gibberellin on the production of amylase in germinating cereals using a starch agar assay.

Investigate the effect of different sampling methods on estimates of the size of a population.

Investigate the effect of one abiotic factor on the distribution or morphology of one species.