📚 Year 13 CCEA Biology: Rapid Terminology Memorisation Guide | Year 13 CCEA 生物：词汇术语速记指南
Building a strong command of biological terminology is essential for success in Year 13 CCEA Biology. The sheer volume of new words can feel overwhelming, but with structured memory techniques, you can turn unfamiliar terms into lasting knowledge. This guide breaks down key vocabulary into manageable chunks, combining word roots, mnemonics, abbreviations, and active revision strategies tailored to the CCEA specification.
在 Year 13 CCEA 生物学中，掌握大量专业术语是取得好成绩的关键。面对众多生词,你可能感到无从下手，但借助系统化的记忆技巧，就能将陌生的词汇转化为长期记忆。本指南依据 CCEA 考纲，将核心词汇拆解为易于掌握的小模块，融合词根、口诀、缩写和主动复习策略，帮助你在术语记忆中事半功倍。
1. Mastering Prefixes and Suffixes | 掌握前缀与后缀
Many biological terms are constructed from Greek or Latin roots. Recognising common prefixes and suffixes unlocks meaning even when you encounter a word for the first time. The prefix 'cyto-' means cell, appearing in cytoplasm (cell fluid), cytokinesis (cell division), and cytotoxic (toxic to cells).
许多生物学术语由希腊语或拉丁语词根构成。识别常见前缀和后缀，即使首次见到某个单词也能猜出大意。前缀“cyto-”表示细胞，出现在 cytoplasm（细胞质）、cytokinesis（胞质分裂）和 cytotoxic（对细胞有毒的）中。
The suffix '-ase' always indicates an enzyme. Compare lactase (breaks down lactose) with polymerase (builds polymers such as DNA). Similarly, '-ose' signals a sugar: glucose, fructose, and maltose all share this ending.
后缀“-ase”必定指酶。对比一下乳糖酶（lactase，分解乳糖）和聚合酶（polymerase，构建 DNA 等聚合物）。同样，“-ose”表明是糖类：葡萄糖（glucose）、果糖（fructose）和麦芽糖（maltose）都带有这个结尾。
Prefixes related to quantity are equally helpful. 'Mono-' means one, 'di-' means two, and 'poly-' means many. So a monosaccharide is a single sugar unit, a disaccharide contains two, and a polysaccharide is a long chain.
表示数量的前缀同样有用。“Mono-”表示一，“di-”表示二，“poly-”表示多。因此，monosaccharide（单糖）是一个糖单位，disaccharide（二糖）含两个，polysaccharide（多糖）则是一条长链。
'Hyper-' means above normal and 'hypo-' means below normal. In a hypertonic solution, the solute concentration is higher; in a hypotonic one, it is lower. These prefixes also appear in hyperglycaemia (high blood glucose) and hypoglycaemia (low blood glucose).
“Hyper-”表示高于正常，“hypo-”表示低于正常。高渗溶液（hypertonic solution）溶质浓度较高；低渗溶液（hypotonic solution）溶质浓度较低。这些前缀同样出现在 hyperglycaemia（高血糖）和 hypoglycaemia（低血糖）中。
'Photo-' means light, so photosynthesis uses light energy. 'Autotrophs' are self-feeding organisms that make their own food, while 'heterotrophs' rely on consuming others. Attach these building blocks to new words and their definitions become transparent.
“Photo-”代表光，因此 photosynthesis（光合作用）需要光能。“Autotrophs”是自养生物，自己制造食物，“heterotrophs”则是异养生物，依赖其他有机体。只要记住这些构词模块，新单词的含义就一目了然。
2. Mnemonics for Biological Processes | 生物学过程的记忆口诀
Mnemonics turn a sequence of events into an easy-to-recall phrase. For DNA replication, remember 'Helicase unzips, Polymerase fills in, Ligase seals gaps.' Visualise a zip being opened, new teeth inserted, and the zip locked.
记忆口诀能把一连串事件变成易于回顾的短语。对于 DNA 复制，记住“解旋酶拉开拉链，聚合酶填充新齿，连接酶封住缺口。”想象一条拉链被拉开，新的链齿插入，然后拉链锁紧。
In respiration, the order of the electron transport chain can be recalled with 'NADH passes electrons, Coenzyme Q carries them, cytochromes transfer, and oxygen is the final acceptor.' Picture a relay race where each runner hands off the baton.
在呼吸作用中，电子传递链的顺序可以这样记忆：“NADH 交出电子，辅酶 Q 携带，细胞色素传递，氧气是最终接收者。”想象一场接力赛，每位选手传递接力棒。
For the order of stages in mitosis, the sentence 'I Passed My Anatomy Test' connects to Interphase, Prophase, Metaphase, Anaphase, Telophase. Interphase comes before mitosis proper, but the mnemonic reminds you of the whole sequence.
有丝分裂各阶段顺序可借助句子“I Passed My Anatomy Test”来记忆，对应 Interphase（间期）、Prophase（前期）、Metaphase（中期）、Anaphase（后期）、Telophase（末期）。虽然间期在有丝分裂之前，但口诀帮助你记住完整顺序。
Xylem transports water and minerals upwards; phloem transports sugars in multiple directions. A simple phrase: 'Xylem goes high, phloem flows wherever needed.' In a similar vein, 'Arteries carry blood Away from the heart, Veins return blood to the heart.' Both start with A and V, making the association stick.
木质部向上运输水和矿物质；韧皮部向多个方向运输糖类。一句简单的口诀：“木质部向高处走，韧皮部随需要流。”同理，“动脉（Artery）将血液带离（Away）心脏，静脉（Vein）将血液送回心脏。”首字母联想让概念牢固。
For the cardiac cycle, remember 'Atria contract, then Ventricles contract, then the Heart relaxes.' A mnemonic like 'All Very Happy' helps recall Atrial systole, Ventricular systole, and Diastole (heart relaxation).
心动周期可记为“心房收缩，然后心室收缩，然后心脏舒张。”口诀“All Very Happy”协助回忆心房收缩期（Atrial systole）、心室收缩期（Ventricular systole）和舒张期（Diastole）。
3. Acronyms and Abbreviations in Biology | 生物学中的缩写与首字母缩略词
Acronyms condense long terms into manageable short forms. ATP (Adenosine Triphosphate) is the universal energy currency. To recall its structure, think 'A-T-P: Adenine, ribose, and three phosphates.'
首字母缩略词把冗长的术语压缩成易记的简写。ATP（腺苷三磷酸）是通用的能量货币。想记住它的结构，可以联想“A-T-P：腺嘌呤、核糖和三个磷酸基团。”
NAD and FAD act as electron carriers. Write out their full names once: Nicotinamide Adenine Dinucleotide and Flavin Adenine Dinucleotide. Notice both contain 'Adenine Dinucleotide', linking them functionally.
NAD 和 FAD 是电子载体。把全称写一遍：烟酰胺腺嘌呤二核苷酸（Nicotinamide Adenine Dinucleotide）和黄素腺嘌呤二核苷酸（Flavin Adenine Dinucleotide）。注意两者都含有“腺嘌呤二核苷酸”，功能上相互联系。
In molecular biology, PCR stands for Polymerase Chain Reaction. Associate it with amplifying DNA. Restriction enzymes are often abbreviated, e.g. EcoRI from E. coli. Recognise that the first three letters denote the organism, the letter the strain, and the Roman numeral the order of discovery.
在分子生物学中，PCR 代表聚合酶链式反应，联想到 DNA 扩增。限制酶常以缩写表示，例如 EcoRI 来自大肠杆菌。记住前三个字母代表生物体，字母代表菌株，罗马数字代表发现的顺序。
Common experimental acronyms include RQ (Respiratory Quotient) and BMI (Body Mass Index). For topics on membrane potential, you will meet mV (millivolt) and Vₘ (membrane potential). Learning the full form first prevents confusion during exam application questions.
常见实验缩写包括 RQ（呼吸商）和 BMI（身体质量指数）。在膜电位相关主题中，你会碰到 mV（毫伏）和 Vₘ（膜电位）。先掌握全称，能在考试应用题目中避免混淆。
4. Terminology of Cell Structure | 细胞结构术语
Cell organelles can be decoded by their roots. 'Nucleus' comes from Latin for 'kernel' or 'nut'. The 'nuclear envelope' surrounds this control centre just as a nut's shell encases the seed.
细胞器可以通过词根拆解。“Nucleus”来自拉丁语“核”或“坚果”。核膜包裹着这个控制中心，就像坚果壳包裹着种子。
'Mitochondrion' combines 'mitos' (thread) and 'chondrion' (granule). Under the microscope, mitochondria appear as thread-like granules. Remember the singular ends in -on, while the plural is mitochondria.
“Mitochondrion”由“mitos”（线）和“chondrion”（颗粒）组成。在显微镜下，线粒体呈现线状颗粒。注意单数形式以 -on 结尾，复数是 mitochondria。
'Ribosome' is formed from 'ribo-' (ribonucleic acid) and '-some' (body). It is a tiny body containing ribosomal RNA. 'Lysosome' likewise uses '-some' with 'lyso-' meaning breakdown, so a lysosome is a breakdown body full of digestive enzymes.
“Ribosome”由“ribo-”（核糖核酸）和“-some”（小体）构成。它是一种含核糖体 RNA 的小体。“Lysosome”同样使用“-some”，“lyso-”意为分解，因此溶酶体就是充满消化酶的分解小体。
'Chloroplast' uses 'chloro-' (green) and '-plast' (moulded or formed). Link the green colour to chlorophyll, the pigment housed inside the chloroplast, and you will never forget its role in photosynthesis.
“Chloroplast”使用了“chloro-”（绿色）和“-plast”（成形体）。把绿色与叶绿体内部的色素叶绿素联系起来，其光合作用的功能就永远不会忘记。
The plasma membrane is often called the cell surface membrane. 'Plasma' refers to the jelly-like protoplasm; 'lemma' means husk or sheath. Understanding that the membrane is a phospholipid bilayer with embedded proteins turns a static term into a dynamic image.
细胞膜常被称为细胞表面膜。“Plasma”指胶状的原生质；“lemma”意为外壳。理解细胞膜是嵌有蛋白质的磷脂双分子层，就将一个静态术语变成了动态图像。
5. Biomolecules: Names and Reactions | 生物分子：名称与反应
Carbohydrates follow a predictable pattern. Monosaccharides are simple sugars like glucose. Disaccharides form by condensation: maltose (glucose + glucose), sucrose (glucose + fructose), lactose (glucose + galactose). The reaction releases a water molecule, hence 'condensation'.
碳水化合物有规律可循。单糖是像葡萄糖这样的简单糖。二糖通过缩合反应生成：麦芽糖（葡萄糖 + 葡萄糖）、蔗糖（葡萄糖 + 果糖）、乳糖（葡萄糖 + 半乳糖）。该反应释放一个水分子，故称“缩合”。
Polysaccharides are polymers of glucose. Starch is a storage polysaccharide in plants, built from amylose (unbranched) and amylopectin (branched). Glycogen is the animal equivalent, even more highly branched. Cellulose is a structural polysaccharide with β-glucose chains linked by hydrogen bonds.
多糖是葡萄糖的聚合物。淀粉是植物的储存多糖，由直链淀粉（无分支）和支链淀粉（分支）组成。糖原是动物体内的对应物，分支程度更高。纤维素是结构多糖，由 β-葡萄糖链通过氢键连接而成。
Lipids include triglycerides formed from one glycerol and three fatty acids. The bond is an ester bond, formed by condensation. Remember 'Three fatty acids, three ester bonds.' Phospholipids replace one fatty acid with a phosphate group, making them amphipathic – one end hydrophilic, the other hydrophobic.
脂类包括由一个甘油和三个脂肪酸形成的甘油三酯。连接键为酯键，通过缩合形成。记住“三个脂肪酸，三个酯键。”磷脂用磷酸基团取代一个脂肪酸，使其具有两亲性——一端亲水，另一端疏水。
Proteins are polymers of amino acids joined by peptide bonds. The sequence is primary structure; folding into alpha helices and beta pleated sheets gives secondary structure; further 3D shaping yields tertiary structure; and multiple subunits create quaternary structure. Spell it P-S-T-Q.
蛋白质是由氨基酸通过肽键连接而成的聚合物。序列为一级结构；折叠形成 α-螺旋和 β-折叠构成二级结构；进一步的三维形态产生三级结构；多个亚基组合形成四级结构。拼写为 P-S-T-Q 记忆。
Enzymes bind substrates at the active site. The 'induced-fit model' states the active site changes shape to accommodate the substrate, like a glove moulding around a hand. Differentiate this from the older 'lock-and-key' model where the fit is rigid.
酶在活性位点结合底物。“诱导契合模型”认为活性位点会改变形状以容纳底物，就像手套贴合手部。将其与较古老的“锁钥模型”（形状僵化匹配）区分开来。
6. Genetics and Inheritance Vocabulary | 遗传与继承词汇
Gene and allele are often confused. A gene is a length of DNA that codes for a polypeptide. An allele is a variant form of that gene. Think of the gene as a car model, and alleles as different colours of that model.
基因和等位基因常被混淆。基因是编码多肽的一段 DNA。等位基因是该基因的不同版本。把基因想象成汽车型号，等位基因就是该型号的不同颜色。
Genotype refers to the combination of alleles an organism possesses; phenotype is the observable characteristic. Dominant alleles mask the effect of recessive alleles. Use uppercase letters for dominant (A) and lowercase for recessive (a).
基因型指生物体拥有的等位基因组合；表现型是可观察到的特征。显性等位基因掩盖隐性等位基因的作用。用大写字母表示显性（A），用小写表示隐性（a）。
Homozygous means two identical alleles (AA or aa); heterozygous means two different alleles (Aa). Codominance occurs when both alleles are expressed equally, as in human ABO blood groups where both A and B antigens appear on red blood cells.
纯合子指两个相同的等位基因（AA 或 aa）；杂合子指两个不同的等位基因（Aa）。当两个等位基因同等表达时，发生共显性，例如人类 ABO 血型中，A 和 B 抗原同时出现在红细胞上。
Linkage describes genes located on the same chromosome that tend to be inherited together. Epistasis is when one gene influences the expression of another. Picture two different switches: epistasis is one switch overriding the other's effect.
连锁指位于同一条染色体上的基因倾向于一起遗传。上位性指一个基因影响另一个基因的表达。想象两个不同的开关：上位性就像一个开关无视另一个开关的作用。
Multiple alleles exist in populations, like the three alleles (Iᴬ, Iᴮ, i) for blood groups. Sex linkage applies to genes on the X or Y chromosomes, with X-linked disorders such as colour blindness appearing more frequently in males.
多等位基因存在于种群中，例如血型的三个等位基因（Iᴬ、Iᴮ、i）。性连锁针对 X 或 Y 染色体上的基因，X 连锁疾病如色盲在男性中发病率更高。
7. Transport and Exchange Terminology | 运输与交换术语
Diffusion is the net movement of particles from a region of higher concentration to lower concentration down a gradient. Osmosis specifically refers to the diffusion of water molecules through a partially permeable membrane.
扩散是粒子顺浓度梯度从高浓度区域向低浓度区域的净移动。渗透特指水分子通过部分通透膜的扩散过程。
Active transport requires energy (ATP) to move substances against the concentration gradient. The sodium-potassium pump is a classic example, moving Na⁺ out and K⁺ into the cell.
主动运输需要能量（ATP）逆浓度梯度移动物质。钠钾泵是典型例子，将 Na⁺ 泵出细胞并将 K⁺ 泵入细胞。
Facilitated diffusion uses channel or carrier proteins but no metabolic energy. Endocytosis brings large particles into the cell by engulfing them; exocytosis expels materials. Pair endo- (in) with exo- (out) to avoid mixing them up.
协助扩散利用通道蛋白或载体蛋白，不消耗代谢能。胞吞作用吞入大颗粒；胞吐作用排出物质。把 endo-（进入）和 exo-（出去）配对记忆就不会混淆。
In plants, transpiration is the loss of water vapour from leaves via stomata. The transpiration stream pulls water up the xylem. Translocation refers to the movement of sucrose and other solutes in the phloem from sources to sinks.
在植物中，蒸腾作用是水蒸气通过气孔从叶片的散失。蒸腾流将水向上拉入木质部。运输作用指蔗糖等溶质在韧皮部中从源到库的移动。
n adaptations: large surface area, thin, moist, and rich blood supply or ventilation. Fick's Law summarises this: rate of diffusion ∝ (surface area × concentration difference) / diffusion distance. Memorise it as 'Area times difference over distance.'
气体交换表面具有共同的适应特征：面积大、薄、湿润、血液供应或通风充分。菲克定律总结了这一点：扩散速率 ∝ （表面积 × 浓度差）÷ 扩散距离。记住“面积乘以浓度差除以距离”。
8. Key Terms in Ecology and Biodiversity | 生态与生物多样性关键词
Species is the basic unit of classification: a group of organisms that can interbreed to produce fertile offspring. A habitat is the place where an organism lives, while a population is all the members of one species in a habitat.
物种是分类的基本单位：一群可以相互交配并产生可育后代的生命体。栖息地是生物居住的地方，种群则是同一栖息地中同一物种的所有成员。
Community includes all populations of different species living in the same area. An ecosystem comprises the community plus the abiotic environment. Niche describes not just where an organism lives but also its role, like a job description in nature.
群落包括同一区域内所有不同物种的种群。生态系统由群落和非生物环境组成。生态位不仅描述生物居住地点，更描述了其角色，就像自然界中的职位描述。
Biodiversity can be measured with Simpson's Diversity Index: D = 1 − Σ (n/N)². A high value indicates high diversity. Remember 'one minus sum of squared proportions.' For species richness, just count the number of different species.
生物多样性可用辛普森多样性指数衡量：D = 1 − Σ (n/N)²。数值高表示多样性高。记住“1 减去各比例的平方和”。物种丰富度仅需计数不同物种的数量。
Taxonomy order is Kingdom, Phylum, Class, Order, Family, Genus, Species. 'King Philip Came Over For Green Spaghetti' is a classic mnemonic. Phylogeny shows evolutionary relationships. Clades are groups sharing a common ancestor.
分类等级依次为界、门、纲、目、科、属、种。“King Philip Came Over For Green Spaghetti”是经典口诀。系统发生学展示进化关系。类群是共享共同祖先的生物群体。
In CCEA ecology questions, you may encounter terms like pioneer species (first colonisers in a succession), climax community (the final stable community), and indicator species (organisms that signal particular environmental conditions).
在 CCEA 生态学题目中，你会遇到先锋物种（演替中最早的定居者）、顶极群落（最终稳定的群落）以及指示物种（表征特定环境条件的生物）等术语。
9. Cardiorespiratory and Physiological Terms | 心肺与生理术语
The heart has four chambers: right and left atria (singular: atrium), and right and left ventricles. Atria receive blood; ventricles pump blood out. Think 'A for arrival, V for ventricle ventures out.'
心脏有四个腔室：左、右心房（单数 atrium），左、右心室。心房接收血液，心室将血液泵出。想到 “A 代表 arrival（到达），V 代表 ventricle ventures out（心室向外输送）”。
Major blood vessels include the aorta (largest artery, carries oxygenated blood to the body), vena cava (returns deoxygenated blood), pulmonary artery and pulmonary vein. The pulmonary circuit goes to the lungs; the systemic circuit serves the rest of the body.
主要血管包括主动脉（最大动脉，将含氧血输送到全身）、腔静脉（收回缺氧血）、肺动脉和肺静脉。肺循环通往肺部；体循环服务于身体其余部分。
Cardiac cycle terms: systole means contraction, diastole means relaxation. The sinoatrial node (SAN) is the natural pacemaker. The atrioventricular septum is the wall between atria and ventricles. Remember 'S-A-N starts the beat, A-V node holds it a split second.'
心动周期术语：收缩期指收缩，舒张期指舒张。窦房结（SAN）是天然起搏器。房室隔是心房与心室之间的壁。记住“S-A-N 启动心跳，房室结稍作延迟”。
Lung volumes: tidal volume is the air breathed in and out at rest; vital capacity is the maximum exhaled after a maximum inhalation. Ventilation rate is breaths per minute. Alveoli are the tiny air sacs where gas exchange occurs, surrounded by capillaries.
肺容量：潮气量是平静呼吸时吸入和呼出的空气量；肺活量是最大吸气后能呼出的
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