AQA A Level Biology復(fù)習(xí)筆記6.1.7 The Pacinian Corpuscle
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...
AQA A Level Biology復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)筆記 2.4.1 Diffusion
Edexcel IGCSE Biology 復(fù)習(xí)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...
2022英國青年科學(xué)獎(jiǎng)The BigBang Fair獎(jiǎng)項(xiàng)揭曉！英國學(xué)生專屬賽事來啦！
面向英國7-13年級學(xué)生 The BigBang Fair 英國青年科學(xué)獎(jiǎng) 在上周落下帷幕！ 來自Surbiton High School的Avye Couloute（Y9）、來自Liverpool Life Sciences UTC的Connie Gray（Y9），分別拿下了英國年度青年工程師...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.3.5 Practical: Enzymes & pH
Edexcel IGCSE Biology 復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)筆記 2.3.4 Practical: Enzymes & Temperature
Edexcel IGCSE Biology 復(fù)習(xí)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(fù)習(xí)筆記 2.3.3 Enzymes
Edexcel IGCSE Biology 復(fù)習(xí)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(fù)習(xí)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 ...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.3.2 Practical: Food Tests
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.3.2 Practical: Food Tests Practical: Food Tests Preparing a sample Before you can carry out any of the food tests described below, you may need to prepare a ...
AQA A Level Biology復(fù)習(xí)筆記6.1.2 Growth Factors in Flowering Plants
Growth Factors in Flowering Plants Growth responses in plants Just like animals, the survival of plants is dependent on their ability to?respond to changes?in their environment Some plants p...
