CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.6 Mitosis: Extended New Cells are Made by Mitosis: Extended Mitosis - Basics Most body cells have two copies of each chromosome We describe these cells as?d...
CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.5 Which Proteins are Synthesised? Control of Gene Expression: Extended Protein synthesis ?? Expression?of a gene means whether that gene is transcribed and ...
CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.4 Protein Synthesis Transcription & Translation: Extended Protein synthesis ?? Proteins are made by?ribosomes?with the sequence of amino acids controlle...
CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.3 Genes & Proteins DNA Base Sequence To Amino Acid Sequence: Extended The DNA Base Sequence Determines the Amino Acid Sequence in Protein The DNA code (...
CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.2 The Inheritance of Sex XX & XY Chromosomes Sex is determined by an?entire chromosome pair?(as opposed to most other characteristics that are ju...
CIE IGCSE Biology: 復(fù)習(xí)筆記：17.1.1 Chromosomes, Genes & Proteins The Structure of Genes Inheritance of Chromosomes, Genes and DNA Inheritance?is the?transmission of genetic information ...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.6 Sexually Transmitted Infections STIs & HIV/AIDS Unprotected sexual intercourse can lead to the transfer of pathogens via exchange of body fluids Infec...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.5 Sexual Hormones in Humans Secondary Sexual Characteristics Primary sexual characteristics are present during development in the uterus and are the differe...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.4 Sexual Reproduction in Humans The Male Reproduction System The male reproductive system Male reproductive structures and their function: The Female Reprod...
歐幾里得數(shù)學(xué)學(xué)術(shù)活動，是由加拿大滑鐵盧大學(xué)的數(shù)學(xué)院為全球12年級的高中生舉辦的數(shù)學(xué)學(xué)術(shù)活動，被稱之為“數(shù)學(xué)界的托福”。 University of Waterloo滑鐵盧大學(xué)擁有加拿大唯一，也是北美最大的數(shù)學(xué)學(xué)院。滑鐵盧大學(xué)...
不少同學(xué)因為錯過了今年AMC10/12學(xué)術(shù)活動，十分苦惱！所以今天就為同學(xué)們推薦一個考察內(nèi)容和方式與AMC十分相似，實力和含金量都不容小覷的數(shù)學(xué)學(xué)術(shù)活動——歐幾里得數(shù)學(xué)學(xué)術(shù)活動！ 歐幾里得學(xué)術(shù)活動相比于AMC10/12...
對數(shù)以萬計規(guī)劃著出國留學(xué)的中國學(xué)生而言，語言考試取消簡直就是一場噩夢。而從今年9月底以來，以首都北京為首的多個中國城市以疫情防控為由，大范圍取消了10月、11月的多項出國留學(xué)考試，包括最重要的“出國門檻”...
