生物學家顏寧即將歸國！女生專屬的科研賽事Technovation Girls已開啟報名！
在今天直播的2022深圳全球創新人才論壇上，著名科學家顏寧宣布，即將辭去普林斯頓大學教職，全職回國。 顏寧回國后，將在深圳創立醫學科學院，她也是近年來深圳市重磅引進的又一高端人才。 不走尋常路的“奇女子” ...
2023AP考試報名，香港今日截止，韓國倒計時，新加坡第二輪開啟！
重要消息！重要消息！ 香港AP考試報名今日截止 韓國即將于11月8日截止 新加坡第二輪AP報名已開啟 香港考區新增考位，今日截止報名 香港考場于10月31日新增7門科目報考名額，還沒有搶到考位的同學和家長抓緊最后的...
Edexcel A (SNAB) A Level Biology:復習筆記2.3.5 Levels of Protein Structure
Levels of Protein Structure There are?four?levels of structure in proteins Three are related to a single polypeptide chain The fourth level relates to a protein that has two or more polypeptide cha...
Edexcel A (SNAB) A Level Biology:復習筆記2.3.4 Amino Acids & Peptide Bonds
Amino Acid: Structure Proteins Proteins are polymers (and macromolecules) made of monomers called?amino acids The sequence, type and number of the amino acids within a protein determines its shape ...
中國學生高考成績申請劍橋，新增一項筆試！
近兩年在疫情和相關政策的影響下，越來越多的同學選擇了英美雙申或直接轉向英國方向申請。 作為英國的代表高校，劍橋大學是很多同學的“夢中情校”。 可能還有些同學不太了解，其實劍橋多年來一直是接受中國學生通...
Edexcel A (SNAB) A Level Biology:復習筆記2.3.3 Nature of the Genetic Code
Nature of the Genetic Code The triplet code The sequence of DNA nucleotide bases found within a gene is determined by a?triplet?(three-letter)?code Each sequence of?three bases?(i.e. each triplet o...
Edexcel A (SNAB) A Level Biology:復習筆記2.3.2 Translation
Translation Translation occurs?in the cytoplasm?of the cell After leaving the nucleus via a nuclear pore, the?mRNA molecule attaches to a ribosome In the cytoplasm there are?free molecules of tRNA?...
Edexcel A (SNAB) A Level Biology:復習筆記2.3.1 Transcription
Transcription A?gene?is a?sequence of nucleotide bases?in a DNA molecule that?codes for the production of a specific sequence of amino acids, that in turn make up a?specific polypeptide?(protein) T...
Edexcel A (SNAB) A Level Biology:復習筆記2.2.3 RNA: Structure
RNA: Structure Like DNA, the nucleic acid RNA (ribonucleic acid) is a?polynucleotide?– it is made up of?many nucleotides?linked together in a chain Like DNA, RNA nucleotides contain the nitrogenous...
Edexcel A (SNAB) A Level Biology:復習筆記2.2.2 DNA: Structure
DNA: Structure The nucleic acid DNA is a?polynucleotide?– it is made up of?many nucleotides?bonded together in a?long chain DNA nucleotide DNA molecules are made up of?two polynucleotide str...
Edexcel A (SNAB) A Level Biology:復習筆記2.2.1 Nucleotides & Phosphodiester Bonds
Mononucleotides: Structure Both DNA and RNA are?polymers?that are made up of?many repeating units?called?nucleotides Each nucleotide is formed from: A?pentose sugar?(a sugar with 5 carbon atoms) A ...
CS專業力壓藤校，實力被嚴重低估的公立常春藤——UIUC伊利諾伊大學香檳分校
社會捐贈作為美國大學重要的資金來源之一，是學校提供高質量教學、研究和服務的基本保證！ 近日，UIUC官宣他們已提前達成了“計劃在5年時間內實現22.5億美元慈善籌款”計劃，僅僅用了四年，伊大就累計籌得款項27億...
