EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.3.1 Atoms: Definitions & Structure Atoms & Molecules It is important to understand the terms atom and molecule when referring to a...
Structure of Bacteria & Viruses Bacteria Bacteria are small, single-celled?prokaryotes Prokaryotic cells are much?smaller?than eukaryotic cells They also differ from eukaryotic cells in having ...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.2.5 Practical: Investigating Paper Chromatography Practical: Investigate Paper Chromatography Using Inks & Food Colourings Objective: Investi...
高三學(xué)生的SAT答題紙被快遞弄丟！ 被迫重新考試！影響早申！救命！ 55份SAT答題紙?jiān)诟咚俟穪G失 據(jù)CNN報(bào)道稱(chēng)，美國(guó)德州El Paso地區(qū)一輛UPS快遞車(chē)輛，在高速公路上運(yùn)輸學(xué)生SAT答卷途中，不知何故車(chē)廂后門(mén)敞開(kāi)，答...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：1.2.4 Interpreting Chromatograms Identifying Mixtures Pure substances will produce only?one spot?on the chromatogram If two or more substanc...
Polymerase Chain Reaction Every person, with the exception of identical twins,?has a?unique DNA sequence?which can be used to create a?DNA profile This is very useful in forensic science as it prov...
Micro-organisms: Decomposition & Nutrient Recycling Dead plants and animals are?broken down?by microorganisms such as?bacteria?and?fungi These organisms are known as decomposers These decompose...
Determining the Time of Death Forensics?is the use of science in the?investigation of criminal activities It involves the?collection and analysis of evidence?from a potential crime scene e.g. the s...
號(hào)外號(hào)外！兩所藤校的招生新動(dòng)向： 耶魯大學(xué)剛剛成立了新學(xué)院 馬不停蹄地又在開(kāi)展新專(zhuān)業(yè) “大眾情人”康奈爾早申請(qǐng)暴漲 學(xué)校來(lái)不及看，推遲材料提交時(shí)間 2023年美本申請(qǐng)揭秘倒計(jì)時(shí)！ 耶魯大學(xué) 計(jì)算機(jī)&語(yǔ)言學(xué)聯(lián)...
