AQA A Level Biology复习笔记6.1.8 Generator Potential
Establishment of a Generator Potential When Pacinian corpuscles are stimulated by pressure on the skin this leads to the establishment of a generator potential This happens due to the moveme...
Establishment of a Generator Potential When Pacinian corpuscles are stimulated by pressure on the skin this leads to the establishment of a generator potential This happens due to the moveme...
Edexcel IGCSE Biology 复习笔记 2.4.3 Osmosis Osmosis Theory All cells are surrounded by a cell membrane which is partially permeable Water can move in and out of cells by osmosis Osmosis is ...
The Pacinian Corpuscle Humans possess a wide range of receptor cells that can detect and respond to a large variety of stimuli For example, temperature, taste, sound, heat and light T...
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...
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 复习笔记 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...
面向英国7-13年级学生 The BigBang Fair 英国青年科学奖 在上周落下帷幕! 来自Surbiton High School的Avye Couloute(Y9)、来自Liverpool Life Sciences UTC的Connie Gray(Y9),分别拿下了英国年度青年工程师...
Edexcel IGCSE Biology 复习笔记 2.3.5 Practical: Enzymes & pH Practical: Enzymes & pH Amylase is an enzyme that digests starch (a polysaccharide of glucose) into maltose (a disacchari...
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 复习笔记 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 复习笔记 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 ...
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 ...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1