📚 Year 13 OCR Sciences: Vocabulary Mnemonics Guide | Year 13 OCR 科学：词汇术语速记指南
Gaining fluency with subject-specific terminology is a crucial step towards achieving top grades in OCR's Year 13 Biology, Chemistry and Physics papers. This guide compiles proven mnemonics and visual associations for the most challenging vocabulary, helping you encode definitions and relationships into long-term memory effortlessly.
在OCR Year 13的生物、化学和物理考试中，熟练运用学科术语是取得高分的关键一步。本指南汇集了针对最难术语的行之有效的速记法和视觉联想，帮助你轻松将定义和关系编码到长期记忆中。
1. Biological Prefixes & Suffixes | 生物学前缀与后缀解码
The prefix 'photo-' means light; remember that 'photo'synthesis' is building with light. Think of a camera 'photo' needing light.
前缀'photo-'意思是光；记住“photo'synthesis”（光合作用）就是用光来建造。想象拍照需要光线。
The suffix '-lysis' indicates splitting, as in 'glycolysis' (splitting sugar). Mnemonic: 'Lysis cuts like scissors'.
后缀'-lysis'表示分裂，如“glycolysis”（糖酵解）意为分解糖。助记：“Lysis 像剪刀一样拆分”。
'Hydro-' = water, '-philic' = loving, so hydrophilic heads love water. Picture a 'hydrophilic' water drop being hugged.
'Hydro-' = 水，'-philic' = 喜爱，所以亲水头部喜爱水。想象一个被拥抱的水滴。
'Mono-' means one, 'poly-' means many. Monosaccharides are single sugar units; polysaccharides are many. A monk lives alone, a poly party has many guests.
'Mono-'表示一，'poly-'表示多。单糖是单个糖单元；多糖是多个。一个和尚独居，一场聚会宾客众多。
2. Krebs Cycle Intermediates | 三羧酸循环中间产物
To recall the eight intermediates in order, use the memorable sentence: 'Citrate Is Krebs' Starting Substrate For Making Oxaloacetate' (Citrate, Isocitrate, α-Ketoglutarate, Succinyl-CoA, Succinate, Fumarate, Malate, Oxaloacetate).
为按顺序回忆八种中间产物，可用句子：“Citrate Is Krebs' Starting Substrate For Making Oxaloacetate”（柠檬酸、异柠檬酸、α-酮戊二酸、琥珀酰辅酶A、琥珀酸、延胡索酸、苹果酸、草酰乙酸）。
Alternatively, picture a city (citrate) buying an icy (isocitrate) keto (α-ketoglutarate) succinyl (succinyl-CoA) snack (succinate) from a fuming (fumarate) male (malate) ox (oxaloacetate). This bizarre image locks the sequence in your memory.
或者，想象一座城市（柠檬酸）买了一份冰冷的（异柠檬酸）酮式（α-酮戊二酸）琥珀酰（琥珀酰辅酶A）小吃（琥珀酸），来自一只冒烟（延胡索酸）公牛（草酰乙酸）的男性（苹果酸）。这个荒诞的画面将顺序刻入记忆。
Remember that for one glucose, the cycle turns twice. The mnemonic: 'Two turns per sugar, two Acetyl-CoA per glucose'.
记住每个葡萄糖分子对应循环运转两次。助记：“一糖两圈，一糖二乙酰辅酶A”。
3. Photosynthetic Light-Dependent Reactions | 光合作用光反应术语
Photosystem II (PSII) comes before Photosystem I (PSI) in the Z-scheme. Mnemonic: 'Two comes before One in the Z' because PSII was discovered second but acts first.
光系统II（PSII）在Z图式中先于光系统I（PSI）。助记：“Z里二比一先”，因为PSII虽是第二个被发现，但首先起作用。
Non-cyclic photophosphorylation produces ATP and NADPH. Think: 'Non-cyclic = New ATP and NADPH' – cyclic only makes ATP.
非循环光合磷酸化产生ATP和NADPH。记住：“非循环=新的ATP和NADPH”——循环式只产生ATP。
The final electron acceptor in non-cyclic flow is NADP⁺, forming NADPH. Picture 'NADP⁺ catches the electron and becomes the happy reducing agent'.
非循环电子流的最终电子受体是NADP⁺，生成NADPH。想象“NADP⁺抓住电子变成快乐的还原剂”。
4. Genetic Code & Protein Synthesis | 遗传密码与蛋白质合成
Transcription creates mRNA from DNA; translation builds a polypeptide. Associate 'Transcription by the DNA desk' (copying) and 'Translation at the ribosome restaurant' (using an mRNA menu).
转录以DNA为模板产生mRNA；翻译则构建多肽链。联想“转录在DNA办公桌旁抄写”和“翻译在核糖体餐厅根据mRNA菜单出餐”
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