Edexcel IGCSE Biology 復習筆記 2.4.2 Practical: Diffusion
Edexcel IGCSE Biology 復習筆記 2.4.2 Practical: Diffusion Practical: Factors that Influence Diffusion Diffusion is the?movement of molecules?from a region of?higher?concentration to a region...
AQA A Level Biology復習筆記6.1.6 Causes of Animal Movement
Investigating Environmental Factors That Cause Animal Movement Environmental factors can be abiotic or biotic Abiotic?factors are the?non-living?parts of an environment For example: temperat...
AQA A Level Biology復習筆記6.1.5 Reflex Arcs
Reflex Arcs There are?three main types?of neurone:?sensory, relay and motor Sensory?neurones carry impulses from?receptors?to the Central Nervous System (CNS?- the brain or spinal cord) Rela...
Edexcel IGCSE Biology 復習筆記 2.4.1 Diffusion
Edexcel IGCSE Biology 復習筆記 2.4.1 Diffusion Diffusion Theory Diffusion is the?movement of molecules?from a region of its?higher?concentration?to a region of its?lower?concentration Molecu...
Edexcel IGCSE Biology 復習筆記 2.3.5 Practical: Enzymes & pH
Edexcel IGCSE Biology 復習筆記 2.3.5 Practical: Enzymes & pH Practical: Enzymes & pH Amylase?is an enzyme that digests?starch?(a polysaccharide of glucose)?into maltose?(a disacchari...
AQA A Level Biology復習筆記6.1.4 Taxis & Kinesis
Taxis & Kinesis An organism must?find favourable living conditions in order to survive For complex organisms like monkeys and wolves, this seems like an easy process They possess eyes, e...
Edexcel IGCSE Biology 復習筆記 2.3.4 Practical: Enzymes & Temperature
Edexcel IGCSE Biology 復習筆記 2.3.4 Practical: Enzymes & Temperature Practical: Enzymes & Temperature Amylase is an enzyme that digests?starch?(a polysaccharide of glucose)?into mal...
Edexcel IGCSE Biology 復習筆記 2.3.3 Enzymes
Edexcel IGCSE Biology 復習筆記 2.3.3 Enzymes Enzymes as Biological Catalysts Enzymes Enzymes are proteins that act as?biological catalysts?to?speed up?the rate of a chemical reaction?without being ...
AQA A Level Biology復習筆記6.1.3 Indoleacetic Acid (IAA)
Indoleacetic Acid (IAA) Indoleacetic acid (IAA) is a?specific growth factor?found in plants IAA is synthesised in the growing tips of roots and shoots (ie. in the meristems, where cells are ...
