A-level - OCR - Biology - Glossary

Question	Answer
Plasmolysis	When a plant cell dehydrates and the cell membrane is pulled away from the cell.
Reagent	A substance used in chemical analysis.
Cavity slide	A microscope slide with shallow depressions to hold liquids, etc.
Gibberellins	Plant hormones that regulate growth and other developmental processes, like germination.
Spirometer	Measures respiration
Eppendorf tube	Used to carry small amounts of liquid, e.g. enzymes.
Bijou bottle	Used in microbial techniques as a culture medium holder.
Squamous	Flattened or thin cell (epithelial)
Surfactant	A material that reduces the cohesive forces between water molecules.
Pneumonia	Too much moisture in the lungs.
Cystic fibrosis	Too much mucus in the lungs.
Potometer	Measures the rate of transpiration
Qualitative Results	Can be described i.e. colours (pH Testing/Chromatography)
Quantitative Results	Can be counted i.e. numbers (Change in mass/Quadrats)
Larynx	Voicebox
Adaptation	Characteristics that make an organisms better suited to their environment

Resource summary

	Created by Josh Anderson about 8 years ago