may I ask is it when 2 amino acids joined by a peptide bond is called a peptide,and when 2 peptides joined together is called dipeptide? So polypeptides are basically numerous peptides linked together?
@@workhardplaycards if that’s the case can you please tell me the difference between peptide,dipeptide and polypeptide, I’m really confused with these terms and their relationships while studying the textbook.Thanks in advance
@@doug4692 peptide=any chains with 2 or more amino acids. dipeptide=2 amino acids, tripeptide=3 amino acids, etc. oligopeptide=3~10, polypeptide usually >10 amino acids
@@workhardplaycards ohhh I see so Peptide is just a general representation of 2 or more amino acids joined together,and terms like dipeptide are used to describe more specific amounts of amino acids joined together. Thanks for saving my life again!
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Thank you!!! 好好用，救命之前一直都唔明而家完全明晒救左我一命多謝你😭❤️❤️
真係好多謝你！😭😭停課自學呢課睇極都唔明，就嚟崩潰，點知比我見到你呢條片，而家明曬😭
多謝你阿sir,你講完之後我終於明佐呢課！
很有用 thx
Cls教得好清楚！😭
thank you
Thx
想問下10:48 tRNA1重用變做tRNA3嗰陣, 個反密碼子UAC同AA1做咩會變咗GCU同AA2嘅?
同埋變咗GCU之後佢未痴埋去條mRNA度又點知可以同嚟緊嘅鹼基互補到呢?
想問下10:48 tRNA1重用變做tRNA3嗰陣, 個反密碼子UAC同AA1做咩會變咗GCU同AA2嘅?
>>> tRNA1、tRNA1、tRNA3係唔同ge分子，tRNA1下次重用ge時候都仍然係tRNA1，唔會變tRNA3，之後入去果粒tRNA3係另一個分子，同tRNA1完全無關係。
同埋變咗GCU之後佢未痴埋去條mRNA度又點知可以同嚟緊嘅鹼基互補到呢?
>>>這是隨機過程，如果互補就可以去下一個step，相反就痴唔實，會脫落，等另一個tRNA再痴上去試下
請問點解每一次transcription無論係Level片定呢段片都要特定寫佢係由DNA-> mRNA而唔係寫DNA->RNA/ tRNA/rRNA ?既然all of the RNA in a cell is made by DNA transcription🙏🏻
係可以寫埋tRNA/rRNA，但要留意tRNA/rRNA之後唔可以再寫「--> protein」，因為tRNA/rRNA就已經係終點，base sequence唔會再轉化做protein
@@workhardplaycards知道 thank youuu🙇🏻♀️
點解一開始既protein要轉番amino acid,再經mrna同trna整番 protein,而唔用一開始既protein
因為一開始ge protein唔岩用，例如你食左D雞肉，D protein係雞肉ge sequence，而你係想要其他功能、其他結構ge protein，所以要拆散佢，用你需要ge方式重新組合
@@workhardplaycards 明白，謝謝
阿Sir：您是一位很好，很用心的老師，可惜不知道您的名字，如您不介意可否告知我應該如何稱呼您？您製作的每輯影片皆內容豐富，講解生動易明。您的教導讓我獲益良多，謝謝您！Carmen
不必知我是誰😀幫到同學就我就很滿足😊
Thanks a lot. :>:>:>
may I ask is it when 2 amino acids joined by a peptide bond is called a peptide,and when 2 peptides joined together is called dipeptide? So polypeptides are basically numerous peptides linked together?
no, dipeptide means peptide that contain two amino acids
@@workhardplaycards if that’s the case can you please tell me the difference between peptide,dipeptide and polypeptide, I’m really confused with these terms and their relationships while studying the textbook.Thanks in advance
@@doug4692 peptide=any chains with 2 or more amino acids. dipeptide=2 amino acids, tripeptide=3 amino acids, etc. oligopeptide=3~10, polypeptide usually >10 amino acids
@@workhardplaycards ohhh I see so Peptide is just a general representation of 2 or more amino acids joined together,and terms like dipeptide are used to describe more specific amounts of amino acids joined together. Thanks for saving my life again!
已明白thxxxxx
11:09 個tRNA 3 個anticodon 係咪應該係GCA
係，打錯左，Thanks~
mRNA搞好translation之後去那裏
decomposed
tRNA 有咩用😢
條片咪有講lor…
@@workhardplaycards 眼殘sorry😂我飛咗🙈
applied genetics會唔會考？？
唔係好明你ge問題😅
@@workhardplaycards 恐龍書嘅molecular genetics後邊有講到啲applied genetics，好似學校都好少提咁，係咪唔會點考？😢😢
@@MMM-jr2hu Paper 1 通常考比較容易ge MC，而難ge內容通常只會在E4考
@@workhardplaycards thanks
應該講埋核糖體 幫tRNA 同 mRNA
依條深ge內容比較多，所以放左係另一條講th-cam.com/video/0ZNOPPmpK2g/w-d-xo.html
想完整D，有系統D可以去網頁度 sites.google.com/view/workhardplaycards/genetics-and-evolution-%E9%81%BA%E5%82%B3%E8%88%87%E9%80%B2%E5%8C%96/molecular-genetics-%E5%88%86%E5%AD%90%E9%81%BA%E5%82%B3%E5%AD%B8