3.4K
ANDNA replication project work #project #projectwork #clayproject #scienceproject #dnareplication #creativity
@anushree_art_craft
#Dna Replication Fork
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BI💬 Comment “DNA” to get notes on DNA Replication! 🧬✨
Ready? Let’s make replication feel like a fun mission, not a boring chapter 😄👇
🧠 DNA Replication = The cell’s “copy & backup” before division ✅
So both new cells get the same genetic instructions 📚🧬
⸻
🚪 1) Start Point: Origin of Replication 📍
Replication begins at specific spots called origins → DNA opens up from here 🔓
🌀 2) Unzipping the Helix
🧩 Helicase = the zipper opener 😮💨➡️
It breaks hydrogen bonds & creates a replication fork 🍴
🛡️ SSB Proteins hold strands apart like clips 🧷 so they don’t re-join!
⸻
🧱 3) Primer Setup (Because polymerase needs a start!)
🛠️ Primase lays down a tiny RNA primer 🧷
Think of it as the “start button” ▶️
⸻
🏗️ 4) Building New DNA (5’ → 3’ only!)
👷 DNA Polymerase adds nucleotides using base-pair rules:
🔸 A ↔ T 💞
🔸 C ↔ G 🤝
⚡ Leading strand = smooth continuous build 🛣️
🐢 Lagging strand = built in pieces (Okazaki fragments) 🧩🧩🧩
⸻
🧼 5) Clean-up + Joining
🧹 Primers removed & replaced with DNA 🔁
🧷 DNA Ligase = the glue gun 🔫✨
It seals Okazaki fragments into one continuous strand 🧬✅
⸻
🎯 Final Result (Super important!)
✅ Two identical DNA molecules
Each one = 1 old strand + 1 new strand 🧬♻️
That’s Semi-Conservative Replication 💡
🧠💬 Quick quiz (comment answers!) 😄
1️⃣ Which enzyme “unzips” DNA? 🔓
2️⃣ Which enzyme “glues” fragments? 🧷
3️⃣ DNA is built in which direction? ➡️
🎥 by yourgenome(yt)
@biotechnologyguy
18.3K
HEDNA polymerase synthesize, repair, and replicate DNA by adding complementary nucleotides to a growing strand in the 5’ ➡️ 3’direction.
They ensure high-fidelity genome duplication and repair, utilizing template-directed, precise base pairing during cell division.
#dna #dnapolymerase #celldivision #dnareplication #replication
@hellojudyschool
1.4M
APDNA Replication is the new Cupid Shuffle with @3dmoleculardesigns 😍
Biology teachers! If you don’t already have this kit, I absolutely love it for modeling Gene Expression. From Replication to Transcription to Translation… it has it all plus worksheets to support student learning
#apbio #apbiology #biology #apbioteacher #teacher #modeling #dnareplication #scienceteacher
@apbiopenguins
5.8K
LEDNA replication is a vital, semi-conservative process where each new DNA molecule retains one parental strand and one newly synthesized strand, as proven by the Meselson-Stahl experiment. Replication starts at origins of replication—single in prokaryotes (e.g., OriC in E. coli) and multiple in eukaryotes. Helicase unwinds the DNA, while single-strand binding proteins prevent reannealing.
Primase lays down an RNA primer, allowing DNA polymerase to extend new DNA strands in the 5’→3’ direction. The leading strand is synthesized continuously, while the lagging strand forms Okazaki fragments, later joined by DNA ligase after primer removal. Topoisomerases relieve supercoiling, and proofreading ensures replication accuracy.
Animation credit 📸- Thanks to "Your genome " Official Youtube Channel ♥️
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Link to watch original Video 👇
https://youtu.be/TNKWgcFPHqw?si=0ziJsI27CXmrrCdK
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#dnareplication #dna
@learn_medicall
0
WOThe molecular machinery of DNA replication 🤩🤩
La machinerie moléculaire de la réplication de l'ADN 🤩🤩
La maquinaria molecular de la replicación del ADN 🤩🤩
Follow us : 💞💞
Instagram : @world.of.biology 👈
Chanelle Youtube: world of biology 👈
Page facebook : world of biology 👈
#biology #biologique #biologymemes #biologynotes #biologystudent #biologylab #molecularbiology #Dna #biologyteacher #exercisephysiology #physiology #anatomy #anatomyart #microbiologist #microbiologylab #microbiology #microbiologia #microbiologie #animalphysiology #biology🔬 #viruses #virus #virology #santé #medcine #pharmacie #dnareplication #biologia #microbe #anatomy #physiology #humanphysiology
@world.of.biology_
14.2K
STDNA Replication / DNA Synthesis
https://www.youtube.com/@StudyClick
#studyclick #studyclickindia
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#explore
#viralreelsvideo❤️
#neet #neetbiology
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#instagramreelsinindia #neetbiologypreparation #neetug #neetaspirants #neetexam #eukaryoticchromosome #dnareplication #dnasynthesis #okazakifragments #dnapolymerase
@studyclickindia
0
MIHome DNA extraction
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استخراج DNA در خانه
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. لطفا به اشتراک بگذارید و با لایک و کامنت از پیج خودتون حمایت کنید🙏
@melscience
#dna #genetics #dnaextraction #molecular #molecularbiology #biology #زیست_شناسی #زیست #بیوتکنولوژی #سلولی_و_مولکولی #مولکولی #ژنتیک #دی_ان_ای
@microbiologynews
![#Dna Replication Fork Reel by @dr.popo__ (verified account) - [DNA Replication Process]
1. Close-up of the DNA Double Helix
2. Helicase Unwinding the DNA Double Helix
3. Primer Synthesis and Start of DNA Replicat](https://image.pictame.com/img/496613106_719644763929485_3362751791786661136_n.jpg?hash=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)
7.6K
DR[DNA Replication Process]
1. Close-up of the DNA Double Helix
2. Helicase Unwinding the DNA Double Helix
3. Primer Synthesis and Start of DNA Replication
4. Lagging Strand and DNA Ligase Connecting Fragments
5. Completed DNA Replication
This is the 14th AI video.
If you enjoyed it, please follow!
Thank you!🥹😘
[DNA 복제 과정]
1. DNA 이중 나선의 클로즈업
2. 헬리케이스에 의한 DNA 이중 나선 풀림
3. 프라이머 합성과 DNA 복제 시작
4. 래깅 가닥과 DNA 리가아제에 의한 단편 연결
5. DNA 복제 완료
14번째 AI 영상입니다.
재미있게 보셨다면 팔로우 부탁드려요.
감사합니다!🥹😘
[DNA複製プロセス]
1. DNA二重らせんのクローズアップ
2. ヘリカーゼによるDNA二重らせんの解離
3. プライマー合成とDNA複製の開始
4. ラギング鎖とDNAリガーゼによる断片の結合
5. DNA複製の完了
14番目のAI動画です。
面白かったらフォローお願いします！
ありがとうございます！🥹😘
#health #medicine #medicalstudent #medical #medicaleducation #science #education #animation
#건강 #의학 #의대생 #과학 #교육 #애니메이션
#健康 #医学 #医学生 #科学 #教育 #アニメーション
@dr.popo__
961.3K
BIOne of the most fascinating process in biology.
DNA replication is the biological process by which a cell makes an exact copy of its DNA before cell division. It's essential for growth, repair, and reproduction in all living organisms.
Key Steps in DNA Replication
1. Initiation
- Begins at specific sites called origins of replication.
- Helicase enzyme unwinds the double helix, forming a replication bubble with two replication forks.
- Single-strand binding proteins (SSBs) stabilize the unwound strands.
2. Primer Synthesis
- Primase lays down short RNA primers on each strand to provide a starting point for DNA synthesis.
3. Elongation
- DNA polymerase III adds new nucleotides.
- One strand (the leading strand) is synthesized continuously.
- The other (the lagging strand) is synthesized in short fragments called Okazaki fragments, which are later joined by DNA ligase.
4. Termination
- Once the entire DNA molecule is copied, enzymes remove the RNA primers and replace them with DNA.
- DNA ligase seals any gaps, completing the replication process.
📹 by yourgenome (yt)
#molecularbiology #molecularmedicine #cellmolecularbiology #microbiology
Direction of replication is...
@biologyscienc
146.7K
WODNA replication is the process by which a cell makes an exact copy of its DNA. It occurs in several steps:
Initiation: The enzyme helicase unwinds the DNA at the origins of replication, creating two single strands.
Primer Binding: Primase synthesizes short RNA primers to provide a starting point for DNA synthesis.
Elongation: DNA polymerase adds nucleotides to the primer, forming the new DNA strands. The leading strand is made continuously, while the lagging strand is synthesized in short segments (Okazaki fragments).
Proofreading: DNA polymerase checks for errors, correcting mistakes during replication.
This ensures the accurate copying of genetic material for cell division.
Video credit 📸- Thank to "WEHlmovies" Official Youtube Channel " for this amazing Animation
Link to original video 👇 👇
https://youtu.be/7Hk9jct2ozY?si=GYSu2j_sdw6-7Yz2
@world_of_biology_wob
1.6M
BIDNA helicase and polymerase work cooperatively at the replication fork to perform leading-strand DNA synthesis.
First, an enzyme called a DNA helicase separates the two strands of the DNA double helix. This forms a structure called a replication fork that has two exposed single strands. Other enzymes called DNA polymerases then use each strand as a template to build a new matching DNA strand.
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Source | link. https://youtu.be/X_tYrnv_o6A?si=3rF-Y2rrFDg0Hnq6
#biology #molecularbiology #cellandmolecularbiology #biologystudent #medicalstudents
@biologyscienc
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