Chapter 6.1b - DNA Replication | Cambridge A-Level 9700 Biology

Based on the NEW! 2022-2024 syllabus
Cambridge Assessment International Education
9700 AS Biology

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- Based on the NEW! 2022-2024 Cambridge A-Level 9700 Biology syllabus
- Derived from analysing 12 years of past year papers (2010-2022)
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- 100 MCQs and answers for AS Biology chapters
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[voyage-of-tranquility]

i finally understood this topic!!! the animation was the best. you seriously have the best resources

[saviaidres]

You are amazing!! Please continue with what you do please!!!

[jasjitsingh]

Thank you so much, I’ve been watching your videos ever since I started with A levels

[fatimaarif]

Honestly
y U r the best Biology teacher ever. :)

[accuratesoup]

Love the animation. really helped me to understand. Thanks!

[Suzan]

Your videos are wonderfull. My biology A level has been going so smoothly because of you. Thank you very much 🤩

[dharmacouture]

Thank you so much for making these videos, they are so incredibly helpful! :))

[Emily-bxey]

Ur the best❤😭😭😭🥹!! Thank you so much!!!

[yyxx]

variant 22 mj 2023 question 5b (ii) indicates that DNA polymerase adds nucleotide to growing chain but its supposed to a spontaneous reaction no? and that it only catalyzes phosphodiester bonds

[kabeerlohana]

could you pls explain what's the difference between b/w activated dna nulceotide and dna nucleotide? other than three phosphate group on activated and 1 on non activated

[SaveMyAL]

Idk if anyone has told you yet but your very beautiful ❤

[katherine]

Thank you for making such amazing videos. BTW, how can I find the animation of DNA replication you use at the end of video? I find it is very useful for revision.

[yyxx]

do we have to know the process of DNA replication in prokaryotic cells as I see some questions in past papers

[shaheerairfan]

miss i am confusd about where dna polemerace attached to the old strand is it on 3 primer or 5 primer many teachers said it is attached to 3 primer pls clear my cocept

[samsyy-]

some questions in the past paper asks about hybrid DNA that contain heavy and light nitrogen, I am unfamiliar to this topic so I wanted ask you if it is part of syllabus or not? The questions are really confusing!!!🙄😵‍💫

[ting]

hello, I am a little confuse about where do the DNA polymerase attach to? I thought it is attached to the daughter strands and catalyse the formation of phosphodiester bond on the daughter strand ? 8:21 😊

[ShimmerRain]

My exam board is OCR. Do I need to learn about ligases?

[Imx_Ahmed]

4:25 can u explain how fragments are even formed that are covered by ligases. I know about ligase and it's functions but I am only confused that when DNA is separated how are fragments even made in the first place plz explain in detail.thanks

[cowlikesgrasss]

6:12 hi miss, where do these free nucleotides come from? are they just present in the nucleus or did they come from the double helix after the strands got separated?

[roseblanche]

Hi, Ms Beh, I remember that a RNA primer is needed for the DNA polymerase to hook onto in order to start replicating, was that wrong or just simply not required by the syllabus?