Organisms & Osmolarity in the Environment Living organisms need to maintain a?safe balance of water and?solutes?in their cells Failure to maintain this balance will mean that an organism's cell...
Analysing Muscle Contractions in Electron Micrographs Many biological structures are?too small to be seen by the naked eye Optical microscopes?are an invaluable tool for scientists as they allow fo...
Annotating the Human Elbow The human elbow is an?articulated synovial joint?which means that it is a?junction where two moving bones meet encapsulated in synovial fluid It consists of several compo...
Sliding Filament Model The?thick filaments?within a myofibril are made up of?myosin?molecules These are?fibrous protein?molecules with a?globular head The fibrous part of the myosin molecule?anchor...
Skeletal Muscle Fibres: Structure Muscles in the body that are attached to the skeleton and aid movement are called?skeletal muscles Other muscle types include: Cardiac muscle?which is found in the...
Bones & Exoskeletons The effective movement of the human body requires both?muscle?and an?incompressible skeleton Bones and exoskeletons provide?anchorage for muscles?and?act as levers Mammals ...
Analysing Epidemiological Data Epidemiology?is the study of the?distribution and incidence of diseases?in the population and the associated or contributory risk factors It has contributed to our?un...
Creating Hybridoma Cells Introduction Monoclonal antibodies (Mabs) are?artificially produced antibodies?produced from a single B cell clone The?hybridoma method?is used to?make monoclonal antibodie...
Production of Histamines Histamines are?chemicals?created by the body in?response to allergens?such as pollen, pet dander, food substances or dust Allergens are antigens?and so they are encountered...
