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Electrophoresis | Gel electrophoresis technique | Biology lecture

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Electrophoresis is a technique commonly used in the lab to separate charged molecules, like DNA, according to size.

Gel electrophoresis is a technique commonly used in laboratories to separate charged molecules like DNA?, RNA? and proteins? according to their size.
Charged molecules move through a gel when an electric current is passed across it.
An electric current is applied across the gel so that one end of the gel has a positive charge and the other end has a negative charge.
The movement of charged molecules is called migration. Molecules migrate towards the opposite charge. A molecule with a negative charge will therefore be pulled towards the positive end (opposites attract!).
The gel consists of a permeable matrix, a bit like a sieve, through which molecules can travel when an electric current is passed across it.
Smaller molecules migrate through the gel more quickly and therefore travel further than larger fragments that migrate more slowly and therefore will travel a shorter distance. As a result the molecules are separated by size.

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Fawad Ahmad . 2020-02-25
v good
121 2 . Reply
yachika gupta . 2020-02-22
Thanks a lot sirπŸ‘πŸ‘πŸ’
121 2 . Reply
SAMEEN ZUBAIR . 2020-02-16
Walaikum assalaam
121 2 . Reply
Mehdi Ali . 2020-01-29
thanks sir
121 2 . Reply
Shamsher Bhai . 2020-01-27
Very nice and interested way of teaching sir!
121 2 . Reply
Laiba Nadeem . 2020-01-23
Sir ye chapter konsa haii!?
121 2 . Reply
Sofi Lateef . 2020-01-05
Sir are you confused about charges or I'm confused about charges
What is cathode
And what is anode ...
..




....
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121 2 . Reply
Karuna Pranami . 2019-12-30
Wow thankyou sir it helped me lot
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fgji gjkl . 2019-12-29
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Sir,, aap BSc level par biotechnology teach....plez...
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Abdul Sattar . 2019-12-24
Please explain all topic of first year
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Abdul Sattar . 2019-12-24
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121 2 . Reply
Abdul Sattar . 2019-12-24
Nice
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Q N . 2019-12-17
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Kiran kumar Naik . 2019-12-14
Spectrophotometry ka v note bana ye na
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Kiran kumar Naik . 2019-12-14
Sir g aap pura note dijiye na
121 2 . Reply
ROHIT YADAV . 2019-12-12
Very nice and thank you sir
121 2 . Reply
Shamil Khan . 2019-12-01
Hello Sir thank you so much for uploading such a lovely explanation. Great work sir.

SIR have u uploaded Bio energetics lecture with especially explanation of ATP creation at both level with direct and indirect pathway?..
Its bit confusing Sir
121 2 . Reply
Zafar iqbal . 2019-11-30
wow nice
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raja haider . 2019-11-23
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study with entertainment . 2019-10-21
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masaud khan . 2019-10-18
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power of knowledge sulaiman . 2019-09-27
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power of knowledge sulaiman . 2019-09-27
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Dna pay negative charged hy oho positive charged k taraf Q move karinga
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Shezad Zahir . 2019-09-10
Good job sir thank you
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121 2 . Reply
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Best Explainer ❀
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aziz kakar . 2019-09-05
Ap ka lectures acha hai bio wala zyda say zyda lectures upload karo
121 2 . Reply
Aman Soul . 2019-09-05
Thank you sir very help
121 2 . Reply
qadri Arbab . 2019-08-27
Nice work keep it up....
121 2 . Reply