CIE A Level Biology復習筆記14.1.2 Production of Urea
Production of Urea Many?metabolic reactions?within the body produce?waste products The removal of these waste products is known as?excretion Many excretory products are formed in humans, with two i...
CIE A Level Biology復習筆記14.1.1 Homeostasis
Homeostasis In order to?function?properly and?efficiently, organisms have different?control systems?that ensure their?internal conditions?are kept relatively?constant The process of maintaining con...
英國大學預科和A-Level課程有什么區別？應該如何選擇？
想留學英國的同學有很多，大家都知道進入英國大學主要有兩種方式，A-Level課程和大學預科，但是大家都會有著各種疑惑和糾結，到底該選擇哪一種方式呢？ 很多學生并不理解A-Level和英國大學預科課程的不同，將兩者...
CIE A Level Biology復習筆記13.2.2 Investigating the Rate of Photosynthesis
Investigating the Rate of Photosynthesis: Redox Indicators The?light-dependent reactions?of photosynthesis take place in the thylakoid membrane and involve the?release of high-energy electrons?from...
CIE A Level Biology復習筆記13.2.1 Limiting Factors of Photosynthesis
Limiting Factors of Photosynthesis Plants need several factors for?photosynthesis?to occur: the presence of?photosynthetic pigments a supply of?carbon dioxide a supply of?water light?energy a?suita...
CIE A Level Biology復習筆記13.1.8 The Calvin Cycle
Stages of the Calvin Cycle Energy from?ATP?and?hydrogen from reduced NADP?are passed from the light-dependent stage to the light-independent stage of photosynthesis The energy and hydrogen are used...
CIE A Level Biology復習筆記13.1.7 Photophosphorylation
Types of Photophosphorylation The?thylakoid membrane?is the site of the?light-dependent stage?of photosynthesis During the?light-dependent?stage of photosynthesis: Light energy is used to breakdown...
CIE A Level Biology復習筆記13.1.6 Chromatography of Chloroplast Pigments
Chromatography of Chloroplast Pigments Chromatography?is an experimental technique that is used to?separate mixtures: The mixture is?dissolved?in a fluid/solvent?(called the mobile phase) and the d...
CIE A Level Biology復習筆記13.1.5 Absorption Spectra & Action Spectra
Absorption Spectra & Action Spectra An?absorption spectrum?is a graph that shows the?absorbance?of different wavelengths of light by a particular pigment Chlorophylls?absorb wavelengths in the?...
CIE A Level Biology復習筆記13.1.4 Chloroplast Pigments
Chloroplast Pigments Chloroplasts contain several different?photosynthetic pigments?within the?thylakoids, which?absorb different wavelengths of light In places, these thylakoids stack up to form s...
CIE A Level Biology復習筆記13.1.3 Thylakoids & the Stroma
Thylakoids & the Stroma Plant cells contain?chloroplasts?which is the site of photosynthesis Chloroplasts are filled with a fluid known as the?stroma The?system of membranes?found in the stroma...
CIE A Level Biology復習筆記13.1.2 Stages of Photosynthesis
The Two Stages of Photosynthesis Photosynthesis occurs in two stages: the?light-dependent stage, which takes place in the?thylakoids, and the?light-independent stage, which takes place in the?strom...
