DNA Structure | Watson And Crick Model | Class 11 Biology

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About This Video ........................

In This Video Lecture You Will Learn Basic Concept Of DNA
DNA is the heredity material. It controls the properties and potential activities of a cell. It is made of four
dinucleotide whereas three join together to form trinucleotide. Nicotinamide adenine dinucleotide,
abbreviated as NAD, is an example of dinucleotide. It is an important coenzyme in several oxidation
kinds of nucleotides namely d-adenosine monophosphate (d-AMP), d-guanosine monophosphate
(d-GMP), d-cytidine monophosphate (d-CMP), and d-thymidine monophosphate (d-TMP). These
nucleotides are united with one another through phosphodiester linkages in a speciic sequence to
form long chains known as polynucleotide chains. Two nucleotides join together to form
reduction reactions in the cell.

Maurice Wilkins and Rosalind Franklin used the technique of X-ray difraction to determine the
and cytosine (C) are opposite to each other. There are two hydrogen bonds between A and T pair,
and three hydrogen bonds between G and C pair. The two strands are wound around each other
so that there are 10 base pairs in each turn of about 34 Angstrom units (one Angstrom = one
strands. The two strands are coiled round each other in the form of a double helix. Coiling of two
strands is opposite i.e. they are coiled antiparallel to each other. The two chains are held together
by weak bonds (hydrogen bonds). Adenine (A) is always opposite to thymine (T), and guanine (G)
structure of DNA. At the same time James D. Watson and Francis Crick built the scale model of DNA.
All the data thus obtained strongly suggested that DNA is made of two polynucleotide chains or
100-millionth of a centimeter

About This Channel.....................

I make these videos cause I love to draw and connect the complexity of science and medicine into art. I'm not saying. I'm 100% correct in all my videos, but I do try to obtain the information from credible sources.
One-stop destination for all biology lectures.
_ students in class 11, 12 or appearing for competitive medical exams ( NMDCAT ) will find it very beneficial
_ The videos are categories under various heading to make the students life simplified

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[Scholarly_Safari]

Kmal bht acha prhaate Sir ...Sir ap ne topic bht hi acha prhaya ....first time itna acha smjh aya ye topic mjhe..thnku Sir for the lecture♥️

[shereennikhath]

Sir aap ki teaching k baad pata chalta hy ki kithni aasan si topic hy 😅....thankk you soo much sir ..aap bahoth accha explain karre ..Allah aapki her dua qubool karde 🤲😇

[MinahilMahmood-kk]

Sir ap la jwab hen Allah ap ko lambi sehat vle Zindagi de ameen or ap ke bachon ko ap ka ferman bardar bnae❤❤

[muhammadalishah]

Your teaching methodology is very simple and easy to understand the basics of living organisms specially you teachs us from core of your heart I learn many things from you God keep you happy and healthy

[naveedakram]

Great work keep it up bro, , m also a biology teacher enjoys your lecture, , , 💞

[Malik_-xs]

Thank you soo much ❤️🙂.. very easily explain ❤🎉 thank you soo much sir g 🥺❤️.. you solve my big problem tysm ❤️❤️ sir g kindly ye bta dy 2nd chp m se Kon Kon topics long question ky according Hain ..😢🙂✨💫🥀

[AliHassan-iuuf]

Sir Watson crick Model ki kya yhi diagram bnai ga jo aap na bbnai ha ya phir book wali

[javedakhter]

Grate sir❤❤ i am also a bio teacher keep it up

[adaas]

You didn't tell about Maurice Williams and Rosalind Franklin techniques of Xray diffraction

[humazafar]

Sir g Bio ka Chp 27 bhi upload kr den Plzzzz 🥺🥺🥺

[biologybyamirrehmankhan]

Dear you done a mistake in lecture... Its polynucleotide chain not polypeptide chain

[Sigma-vgts]

Assalamualaikum
Sir, can we write your long questions and get numbers in broad, because you write very short and simple