Nicolag121

Includes reactions for alkenes, alkynes and alcohols, SN1/SN2/E1/E2 reactions, table of strong/weak nucleophiles and strong/weak bases, conditions for each type of substitution/elimination reaction to occur, how to form hoffman/zeitseff product, Radical reactions, R/S configurations and chair conformations.

6 major topics in GCSE/iGCSE Biology- comprehensive summary sheets for digestion, ecology & the environment, Blood (cardiovascular system), Respiration & Photosynthesis, gas exchange and transpiration

Summary of the cardiovascular system for GCSE/iGCSE Biology. Includes: |description of arteries, veins and capillaries| structure, function, pressure | explanation and diagram of the heart structure, main blood vessels involved in the circulatory system and the role of adrenaline | coronary heart disease- explanation of what it is and how it develops

Summary sheet of respiration/photosynthesis and the leaf structure for IGCSE/GCSE Biology. Includes: | respiration and photosynthesis summary | structure of the leaf, diagrams and explanations of the leaf's organelles | experiments to measure the rate of photosynthesis | comprehensive explanation of factors affecting the rate of photosynthesis | minerals needed by plants | What ATP is and how it's used by cells

IB Biology, SL and HL content for cardiology, menstrual hormones, pregnancy and sexual reproduction. Includes: description of stages of oogenesis and spermatogenesis | description and explanation of hormones and feedback loops | stages of the menstrual cycle | pregnancy and the role of hCG and oxytocin | systole and diastole | structure & function of different types of blood vessels

Summary of human digestive process for iGCSE/GCSE Biology. Includes: |table of key structures in the digestive system and their functions |description of processes in digestion | structure and adaptations of villi and the small intestine |description of vitamins/dietary components needed by the body and why | diseases resulting from vitamin deficiencies

iGCSE/GCSE Biology summary sheet of ecosystems and the environment. Includes: |trophic levels, how energy is lost between each | food webs, food chains, pyramids of numbers and pyramids of biomass | key processes in food chains | the carbon cycle | the nitrogen cycle, including the roles of bacteria

Includes |diagram of the lungs, key structures and their functions | outlines the processes of inhalation and exhalation | adaptations of alveoli for gas exchange | effect of smoking on the lungs

iGCSE Biology notes on Transpiration. Outlines the process, key structures involved and factors that affect the rate of transpiration.