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Patterns in Nature

TermDefinition
Compound A pure substance made up of two or more chemical elements bonded together
saturated maximum uptake of a substance has been achieved
Antibodies A type of protein that reacts in a specific antigen, part of the body defence mechanism
Aqueous Used to describe substances that contain water
Biconcave Concave shape on either side of a lens
Bond Something that combines or holds things together
Brownian Motion Describes a pattern of random movement of particles in liquids or gases
Cloaca The terminal part of the gut in most vertebrates except the higher mammals
Compound A pure substance composed of two or more elements
Ion An atom that carries a charge due to loss or gain of electrons
Isotonic Similar solute concentration as another fluid
Lenticel Pope found on stems and roots in higher plants for gas exchange
Lignin Thickening substance found in cell walls of plants
Lymph Glands Organs in the body that produce lymph or interstitial fluid which is clear and assists in the bodies defence system
Magnification To increase the size of somethig
Mangroves Vegetation found in estuarine areas
Metabolism Describes the chemical reactions occurring within an organism.
Monosaccharide A molecule with a single unit of sugar
Multicellular Organisms composed of more than one cell
Nectar A sugar secretion of a plant that attracts birds and insects
Organelle Any part of a cell that has a specific functional role
Organism Any living plant or animal
Orifice A tube like opening
Oxidation reaction A chemical reaction in which the proportion of oxygen in the molecules is incrased
Plasma membrane Also called cell membrane, the outer boundary of a cell
Polysaccharides A molecule with multiple of sugar
Precipitate A solid formed from the reaction of two liquid substances
Prion An infectious particles composed of protein, containing no genetic material
Radioisotope Natural or artificial isotope exhibiting radioactivity, used as a source for medical or industrial purposes
Resolution The ability of optical instruments to produce separate images of close objects
Respiration The process by which carbohydrates and oxygen are combined to release energy, carbon dioxide and water
Desiccation The drying out or removal of moisture
Disaccharide A molecule with double units of sugar
Distended Enlarged, stretched or swollen
Enzyme A highly specialised cellular protein that reduces the amount of energy required to initiate a chemical reaction, thereby increasing the speed of reaction
Flaccid Limp
Guard Cells Pair of specialised cells in a plant epidermis forming a pore or stomate
Haemoglobin A protein molecule found in red blood cells that transport oxygen
Histologist A person who studies detailed or microscopic tissue structure
Hypertonic Higher solute concentration than other fluid
Hypotonic Lower solute concentration than another fluid
secrete top produce and pass through a membrane out of a cell
stomata a pore through which gas exchange takes place, usually located on a leaf
translucent diffuse transmission of light through a surface that is not smooth
tripe lining of a ruminant stomach
turgid describes the swollen or distended state of a cell
unicellular describes organisms composed of only one cell
vesicles a small sac like structure
villi finger like growth on the inside wall or lining of the small intestine
viscosity the tendency of a material to resist movement through it.
Created by: MCEBiology
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