biology 240

This is a comprehensive and detailed note for Midterm, Biol 240.

This is a comprehensive and detailed key note for Biol 240 with emphasis on water electrolyte balance. It's worth it!!

This is a comprehensive and detailed key note for Biol 240. You'll need it!!

This is a unique and comprehensive note Biol 240 with emphasis on; Reproduction . You'll need it!!

BIOLOGY 240-Golden_rules_AQA_Biology_paper GCSE AQA BIOLOGY 9-1 PAPER 1 CELLS, TISSUES AND ORGANS 1. When a question asks you about MITOCHONDRIA, always discuss  Respiration  Energy RELEASE  Oxygen and glucose Muscle cells will have the most mitochondria as they need the most energy! Root hair cells will also have a lot as they need ‘Energy from respiration for Active Transport’ 2. Structure of an organelle = what does it look like. Function = what does it do. Learn th...

GOLDEN RULES FOR GCSE AQA BIOLOGY 9-1PAPER 2The nervous system1.Messages are transferred downNEURONES as ELECTRICAL IMPULSES and across SYNAPSES as CHEMICAL SIGNALS2.Stimuli can ONLY EVER be the following.....Light (sight)Chemicals (taste and smell)Pressure (touch)TemperatureSoundNever say “the stimulus is the frying pan” if you are touching a hot pan. The stimulus would be temperature/heat.3.Receptors are always cells that detect stimuli. They can only ever be the following.....