Analysis of evidence from electron microscopy that led to the proposal of the Davson-Danielli model in IB biology

Drawing molecular diagrams of glucose, ribose, saturated fatty acid and, a generalized amino acid

Drawing molecular diagram to show formation of a peptide bond in IB biology

Drawing simple diagrams of the structure of single nucleotides of DNA and RNA, using circles, pentagons and rectangles to represent phosphates, pentoses and bases.

Drawing an absorption spectrum for chlorophyll and an action spectrum for photosynthesis in IB biology