Please enable JavaScript.
Coggle requires JavaScript to display documents.
Biology Extended Essay - Coggle Diagram
Biology Extended Essay
Skills learned or acquired
Learning how to use statistical software (Excel/GraphPad Prism)
Applying and analysing inferential statistical tests (ANOVA, Tukey's test)
Using a spectrophotometer to measure absorbance
Preparing enzyme and substrate solutions accurately
Imrpoved precision in pipetting and dilution techniques, as well as laboratory techniques.
Time management and planning multi-trial experiments
Topic exploration and research
Investigating the role of fluoride beyond protection of the enamel.
Studying the function of alpha amylase in oral digestion
Exploring enzyme inhibition in everyday biological systems
Understanding toothpaste formulation difference between brands
Choosing a local problem with global significance and personal relevance.
Planning
Identifying controlled, independent, and dependent variables.
Planning spectrophotometric data collection
Choosing toothpaste brands and appropriate fluoride/toothpaste concentrations
Planning repeated trials for reliability
Selecting alpha amylase as a biologically relevant enzyme
Challenges and limitations
Sensitivity of alpha amylase to minor environmental changes
Maintaing constant temeprature and pH for alpha amylase activity
Difficulty in isolating fluoride's specific inhibitory effect
Possible experimental error due to equipment limitations
Presence of toothpaste ingredients other than fluoride affecting the results