2022-23賽季STS開始申報啦！賽程安排以及申報指南了解一下
全美歷史最悠久、最負盛名、有中學生“小諾獎”的科研賽事再生元科學天才獎Regeneron STS ，相信不少美高學生對它并不陌生。 STS為未來STEM領域的領航者提供了一個國際的舞臺，這里匯聚了全美最優秀、最聰明的年輕...
2022英才計劃中期評估來襲！新高一學生如何入選英才？
關注科研的國內家長應該對“英才計劃”并不陌生。作為中國科協和教育部聯合組織的培養計劃，入選英才可以讓學生近距離接觸前沿的科學研究、接受知名高校教授的指導。 不僅如此，英才計劃還是世界規模最大的科研賽事...
AQA A Level Biology復習筆記5.4.1 Nutrient Cycles
Nutrient Cycles Living organisms require?nutrients?from their?environments?for?growth?and other processes (e.g. reproduction) These nutrients are then?returned?to the environment when organisms pro...
AQA A Level Biology復習筆記5.3.1 Primary Producers
Plants are Primary Producers An?ecosystem?in a?particular area?includes: All the?living?components (i.e.?biotic factors?such as organisms and their interactions) All the?non-living?components (i.e....
國外學歷學位認證需要什么材料？
在提前準備海外留學前，同學們就能夠在教育部教育涉外監管信息網（jsj.moe.gov.cn）對想要報考的學校進行查詢。進入網站后首頁選擇“國外院校”輸入查詢的國家，能夠查看被認證的學校名單。國外學歷學位認證需要什...
AQA A Level Biology復習筆記5.2.1 Mitochondria & the Need for Energy
Structure & Function of the Mitochondria Mitochondria are rod-shaped organelles 0.5 - 1.0 μm in diameter They are the site of aerobic respiration in eukaryotic cells The function of mitochondri...
AQA A Level Biology復習筆記5.1.1 Chloroplast Structures & their Functions
Chloroplast Structures & their Functions Chloroplasts are the?organelles?in plant cells where?photosynthesis?occurs Each chloroplast is surrounded by a?double-membrane envelope Each of the enve...
AQA A Level Biology復習筆記4.6.1 Biodiversity Within a Community
Biodiversity Biodiversity can be thought of as a study of all the?variation?that exists within and between all forms of life Biodiversity looks at the range and variety of genes, species and habita...
AQA A Level Biology復習筆記4.5.1 Courtship
Courtship Organisms belong to the?same species?if they interbreed in their natural habitat to produce?fertile offspring The process of successful interbreeding or mating is preceded by some form of...
AQA A Level Biology復習筆記4.4.1 Genetic Diversity
Genetic Diversity Organisms of the same species have very similar genomes, but two individuals (even twins) will have differences between their DNA base sequences Considering the size of genomes, t...
AQA A Level Biology復習筆記4.3.1 Genetic Mutations
Genetic Mutations A?gene mutation?is a change in the sequence of base pairs in a DNA molecule that may result in an altered polypeptide Mutations occur?continuously As the DNA base sequence determi...
AQA A Level Biology復習筆記4.2.1 The Genome
The Genome A gene is a length of DNA that codes for a polypeptide/protein A?genome?is the complete set of?genes?present in a cell The full genome is present within every cell of an organism, but no...
