Thymine Dimer


The covalent bonding of two adjacent thymine residues within a DNA molecule, often catalyzed by ultraviolet radiation or chemical mutagenic agents.


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Structural Determination of Dpo-4 Thymine Glycol Complex


Samantha Morse: Adrian Tinsley Program 2009 Summer Symposium


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Adenine Thymine Nucleic acids 30jun2010


These are so descriptive and I have to admit it's fun to color them in! Again this ALL on recycled material formt he paper to the markers!Easy to draw Bio Molecules using the Schroeder Diamond Techniques of Carbon Diamonds, Nitrogen Aliens, Oxygen Circles and Hydrogen Dots www.ScienceIsGolden.com has more...Thanks! Feedback and I'll post more info I have a difficult time editing and converting so it's a search I apologize! GOD BLESS Cosmic Ray THe Quantum Mechanic


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To Thymine :D


Surprising her by asking if she will be my valentine (with a bear and a card underneath). Thanks to Long for recording and Jenn for letting us use her camera!! :) No copyright intended.


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DNA Song


DNA Song. Here is a song I made for a student to help the study. I hope you enjoy! Here we go, genetic code, determines how you live Oh size, shape, color and all makes you who you is You should know the chromosomes has thousands of genes AT and GC makes types of proteins During synthesis, the cell uses info From a gene on a chromosome Out in the cytoplasm and on the ribosomes Info needs to get out the nucleus It's the DNA, in ya It's the genetic code, in ya Paring Nitrogen bases, in ya The double helix ladder, in ya Oohh Adenine goes with Thymine And Guanine pairs with Cytosine Matched pairs of DNA, bases How cells produce proteins Ooh, no, no, no Send, send, send the code out to the cytoplasm This genetic messenger is ribonucleic acid RNA, DNA, differ in many ways, yeah RNA molecules look like one side or strand Ribonucleic acid has a different sugar Has uracil instead of thymine Messenger RNA sends info out to the cytoplasm Transfer adds amino acids to proteins It's the DNA, in ya It's the genetic code, in ya Paring Nitrogen bases, in ya The double helix ladder, in ya Oohh Adenine goes with Thymine And Guanine pairs with Cytosine Matched pairs of DNA, bases How cells produce proteins Messenger RNA production Ooh, attaches to a ribosome Transfer attaches to messenger Ribosome releases, the completed protein chain But don't you know it's the DNA, in ya It's the genetic code, in ya Paring Nitrogen bases, in ya The double helix ladder, in ya Oooh Adenine goes with Thymine <b>...</b>


DNA Parr Mr

Chargaff's Ratios


Erwin Chargaff found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal. This parity is obvious in the final DNA structure. Originally created for DNA Interactive ( www.dnai.org ). TRANSCRIPT The DNA molecule is made up of very long chains of the 4 bases: A, C, G and T. In 1950, Erwin Chargaff published a paper stating that in DNA of any given species, the ratio of adenine to thymine is equal, as is the ratio of cytosine to guanine. This is known as Chargaff's ratios and it was a crucial clue that helped solve the structure of DNA. Chargaff's ratios are universal: all forms of life obey this rule. Only the balance of AT pairs and CG pairs varies between species.


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Part of DNA - Party in the USA Parody


haha, you can learn all about Dna and miley cyrus songs with this video :) enjoy lyrics: Dna is found in a cell deep inside the nucleus welcome to the land of molecules where there's not a lot of roominess jump in the cell, replicating for the first time look to my right and i see mitosis real time this is all so crazy, everything is so teeny the helicase starts to work its way down the line thats when the dna starts to unzip and transcription starts to start and transcription starts to start and transcription starts to start chorus: and adenine hooked with thymine and cytosine with guanine they're copying themselves like yeah, making rna like yeah and in Rna the thymine switches with uracil it's all a part of dna it's all a part of dna the rna's out of the nuke all the organelles checking it out like where's an anticodon to make this all work out it's not hard to find a ribosome, that has a matcing anticodon they're in sets of 3, like a ponderosa tree they hook up a polypeptide chain emerges, that gets longer every time it goes off to become a protein and thats translation and thats translation and thats translation chorus: and adenine hooked with thymine and cytosine with guanine they're copying themselves like yeah, making rna like yeah and in Rna the thymine switches with uracil it's all a part of dna it's all a part of dna


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DNA 3D Structure Model with labels


This is a quick and dirty model that I created in Maya. The deoxyribose nucleic seen here represents a basic interpretation of the chemical bonds that would be present in a single strand or double Helix. I colored the anti parallels both red and blue to simulate their adjacent qualities as they spiral upwards and string along and bond the genes themselves. The genes can be seen as Thymine and Adenine/ Cytosine and Guanine. These are the only formations these gene patterns can form therefore, Thymine will only bond with Adenine, and Cytosine will only bond with Guanine. Not appearing in this animation are the basic hydrogen bonds that connect the nucleotides. Also note that the genes coils themselves are elongated and therefore are NOT supercoiled. Well thats enough yammering, the background tune is provided by "The Octopus Project"


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DNA Replication Song


Biology Project (Just in case you didn't know... We worked on this at like 4am in the morning... yes..yes... LAST MINUTE project!! but turned out really well!!) Background Instrumentals: Back Street Boys (I Want it That Way) Lyrics: Deox / y-ribo / nuclei / ic-acid / is made from two strands, a double helix So then, the strands come apart, Nitrogen bases, they start to unzip By DNA helicase H2 bonds Between adenine and thymine H2 bonds Between cytosine and guanine H2 bonds The ladder structure is strongest in Phosphodiester links DN / A Pol-ym / er-ase Builds the new strand From the / 5" to 3" Direction H2 bonds Between adenine and thymine H2 bonds Between cytosine and guanine H2 bonds The ladder structure is strongest in Phosphodiester links Now I can see that its replicating In a way thats quite interesting (YEAH!) No matter the distance, the leading strand Is followed by the lagging one Finally...the ligase Seals up all the breaks A new....a new....a new....DNNNNNNNNNNA! And it starts again!! Oh, how I love bi-olo-gy (yeah yeah yeah) It's better than chemistry And next time I have to go pee (I know) what's happening inside of me


DNA qc 0323

Biology Song-Transcription and Protein Synthesis


Lyrics: Wake up in the mornin, transcript my DNA I've got my RNA polymerase, it's gonna split these strands When it unzips, it's gonna bind to new RNA And when it's done, it's gonna reform the DNA I'm talkin messenger RNA strands, strands Formin on my hands, hands Startin on promoters, moters A codon is three nitro-bases, which makes an amino acid Which forms polypeptides... Don't stop, synthesize, transfer RNA Just base pair, with anticodons All up on those ribosomes Tik tok, translate, through the nucleus with uracil Oh, oh, oh, oh NO, NO THYMINE Don't stop, synthesize, transfer RNA Just base pair, with anticodons All up on those ribosomes Tik tok, translate, through the nucleus with uracil Oh, oh, oh, oh NO, NO THYMINE


Biology Song-Protein Synthesis mindexplosion 123

DNA Has Four Units


Deoxyribonucleic Acid has four units: adenine, cytosine, guanine, and thymine. Originally created for DNA Interactive ( www.dnai.org ).


Deoxyribonucleic Acid adenine cytosine guanine and thymine. dnalearning Center

A Video of Molecules


www.FreeScienceLectures.com This video shows how various molecules look. For example, water consisting of two hydrogen atoms and one oxygen atom. The others are glucose, sucrose, amylose, stearic acid, oleic, glycerol, trigglyceride, phospholipid, alenine, serine, leucine, phenyaleine, hexapeptide, peroxide, dioxiribose, thymine, atp, dna, amylpectin and cellulose. --- It's Never too Late to Study: www.FreeScienceLectures.com --- Notice This video is copyright by its respectful owners. The website address on the video does not mean anything. ---


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DNA in my pants. Biochemistry.


Project for biochemistry. DNA in my pants. The base of all life on earth Been with you since the day of your birth. A double helix is the shape it makes Some nucleotides are what it takes. 4 nucleotides are the total sum 3 sub-units and you've got you one. First deoxyribos sugar then Phosphate and Nitrogen base come in. The nucleotides are in groups of two Prymidines and purines too. Prymidines are the smaller base Thymine and Cytosine are what they incase DNA Purines base is bigger than the other Adenine and Guanine are what they cover the strands are complementary DNA A base pairs with an outside group some people just see an alphabet soup. Adenine and Thymine bond together for fun Guanine and Cytosine do too. Hydrogen bonds the bases together another element just wouldn't be better The DNA replicates to make some more the body's in need of a very large store The DNA helicase is what is used to unzip the DNA into 2. The replication fork is where it sits making space for the RNA to fit The RNA can't stick around alone It needs a friend to stay at home DNA The polymerase is the friend in need without it, the DNA can't succeed. It glues the RNA into place DNA You can't read DNA up and down If you could it would cause a frown The leading strand is read and cannot hide 5-3 prime and thats just one side The lagging strand gets read last 3-5 prime and it gets done fast All of this is done automatically Its all done perfect and carefully DNA Thats all there is to know about DNA <b>...</b>


DNA in my pants. Biochemistry. rap jamelb 16

Genome and BRCA1 Reflections at BCC - youtube


Music composed by Linda Marcel. Imagine your understanding of DNA enhanced through music. One of the most noted figures who considered this concept is the 1980 Pulitzer Prize winner, Douglas R. Hofstadter, who comments on the similarities of genes and music in his book: Godel, Escher, Bach: An Eternal Golden Braid. Hofstadter explains that music composition is similar to the combining patterns of protein sequences. That music composition often articulates the same patterns and sequential thematic development as base protein patterns. These are the building blocks that combine to form the genetic coding for life. In his words: Music is not a mere linear sequence of notes. Our minds perceive pieces of music on a level far higher than that. We chunk notes into phrases, phrases into melodies, melodies into movements, and movements into full pieces. Similarly, proteins only make sense when they act as chunked units. Genome is composed in patterns that are reflective of the base pattern sequences of DNA. The pitches A, C, G, and D have been assigned to represent the four nucleotide bases: adenine (a) cytosine (c ) guanine (g) thymine (d) since one technical name for thymine is 2,4 dihydroxy-5-methyloprimidine, the note D has been selected for the generic chemical adjective of dihydroxy. Using a total of four pitches produces a music composition that relies on tone color, range, dynamics, and sequential patterning reflective of the arrangements of the nucleotide bases. Pattern <b>...</b>


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dna replication


1. Strands are separated by the enzyme helicase 2. DNA binding proteins keep the strands from reattaching 3. New DNA is made at the leading strand by DNA Polymerase 3 from 5 prime to 3 prime 4. RNA Primase lays down a RNA primer at the lagging strand 5. DNA Polymerase 3 lays down new DNA in the lagging strand 6. Step 5 is repeated 7. Polymerase 1 replaces the RNA primers with DNA 8. DNA Ligase links the lagging strand There are four nitrogenous bases, which are Adenine, Guanine, Thymine, and Cytosine. Adenine always bonds with thymine and cytosine always bonds with guanine.


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DNA Structure


"Two DNA strands intertwine to form a double helix. Each strand has a backbone composed of phosphates and sugars to which the bases are attached. The bases form the core of the double helix, while the sugar/phosphate backbones are on the outside. The two grooves between the backbones are called the major and minor groove based on their sizes. Most proteinDNA contacts are made in the major grove, because the minor groove is too narrow. The DNA backbone is assembled from repeating deoxyribose sugar units that are linked through phosphate groups. Each phosphate carries a negative charge, making the entire DNA backbone highly charged and polar. A cyclic base is attached to each sugar. The bases are planar and extend out perpendicular to the path of the backbone. Pyrimidine bases are composed of one ring and purine bases of two rings. Adjacent bases are aligned so that their planar rings stack on top of one another. Base stacking contributes significantly to the stability of the double helix. In a double helix, each base on one strand is paired to a base on the other strand that lies in the same plane. In these base pairing interactions, guanine always pairs with cytosine, and thymine with adenine. A GC pair is stabilized by three hydrogen bonds formed between amino and carbonyl groups that project from the bases. In contrast, an AT pair is stabilized by two hydrogen bonds. The specificity of base pairing—that is, C always pairing with G, and A always pairing with T—ensures <b>...</b>


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Building blocks of DNA


nucleotides versus nucleosides, adenine, guanine, thymine, uracil and cytosine


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I want it that DNA!


Deox / y-ribo / nuclei / ic-acid / is made from two strands, a double helix So then, the strands come apart, Nitrogen bases, they start to unzip By DNA helicase H2 bonds Between adenine and thymine H2 bonds Between cytosine and guanine H2 bonds The ladder structure is strongest in Phosphodiester links DN / A Pol-ym / er-ase Builds the new strand From the / 5" to 3" Direction H2 bonds Between adenine and thymine H2 bonds Between cytosine and guanine H2 bonds The ladder structure is strongest in Phosphodiester links Now I can see that its replicating In a way thats quite interesting (YEAH!) No matter the distance, the leading strand Is followed by the lagging one Finally...the ligase Seals up all the breaks A new....a new....a new....DNNNNNNNNNNA! And it starts again!! Oh, how I love bi-olo-gy (yeah yeah yeah) It's better than chemistry And next time I have to go pee (I know) what's happening inside of me


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Natalie and Callista's DNA Replication Song


thymine adenine letsgo gaunine cytosine lets go (X2) diexyribose nucleic acid its really just DNA its not that hard to say Nucleic acid's monomer is a nucleotide for the rest of this fats song get ready for a ride its a double helix phosphate sugar backbone nitrogen bases i dont know there held together by hydrogen bonds at and cg they go together perfectly because there complimentary (bases) hydrogen bonds make them really strong they only split apart by DNA helicase ensymes its a double helix phosphate sugar backbone nitrogen bases i dont know there held together by hydrogen bonds DNA polymerase enzymes has a really fun time with the leading and lagging strand attaching new nucleotides this is all a part of DNA replication the original strand is where iit all began thymine adenine lets go guanine cytosine lets go (X2)


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Drake - I'm Still Fly (Parody) ''DNA, RNA''


No, I don't do videos on DNA for fun, this was for a Biology 12 course for school, yezzir. Chorus x2(Intro): DNA, RNA, And I dare anybody to try to cut my strands There are 5 carbon sugars, phosphate and a base And these are nucleotides Verse 1: DNA, Is responsible for everything you made of There are you two strands that you should be really aware of Hydrogen bonds between each base, being Adenine to Thymine and Guanine to Cytosine Complementary base pairing Lined up as 5 prime to 3 prime This is not a crime Its something called anti-parallel Going around like a freaking carousel Helicase, Heli-what? Helicase This is only first base... It unzips the deoxyribose nucleic acids If you really see DNA is not flaccid It is really resembles a ladder-like structure So dont get too mad And just listen to your instructor Chorus x2 Verse 2: Complementary, Base pairing occurs Dont blink because itll all be in a blur Theres something called DNA polymerase Its the boss of this all, it does most of the work It does several things, including synthesizing and catalyzing Oh my God, its so mesmerizing Synthesizing the pieces of this puzzle is just so freaking compromising As the two new strands form there is a mother and daughter strand Making it a semi-conservative land Proof reading is also what it does and what it do Its barely ever wrong, but if it is Some mutations might be really good for you: Like E. coli to digest citrate And Antibiotic resistance And finally Human resistance to <b>...</b>


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DNA Rap: Got Urself DNA


This is a project I had to do for Biology 12. We had to come up with a rap explaining DNA and how DNA Replication works. Lyrics: My name is JYO and I'm talking about DNA You better listen up cause I'm not getting paid This is straight from the brain lyrically homemade And I rap from the heart cause I wanna good grade Chorus: Trying to Duplicate, I hope you got urself DNA Wanna Translate, I hope you got urself DNA Trying to Create, I hope you got urself DNA Now lets talk about this DNA I'll name some parts for you if that's okay So listen up and hear what I say And if you miss something hit that button replay Deoxyribose nucleic acid is the name Made up of nucleotides the textbook claims With Deoxyribose sugar and a phosphate group And nitrogen base up in a double helix loop Purines are Adenine and Guanine Pyrimidines are Thymine and Cytosine Purines have a single simple sugar formation Pyrimidines have a double ring sugar formation They are supported by a sugar-phosphate backbone Which is like the Nitrogen Bases Throne Mind you this is all homegrown, well known, well shown, your own, up in a temperate zone Chorus Now lets go on to this DNA replication This process is enforced by our living population It is started off by our DNA Helicase Which is the enzyme we use in the first phase Hydrogen bonds break and the DNA separates Into two template strands which we use to procreate Then the complimentary base pairing activates And the nucleotides come in and pair at a fast rate <b>...</b>


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DNA Replication Song


A song about DNA Replication, based on Backstreet Boys' "I Want It That Way." Lyrics originally written by these guys www.youtube.com (adapted by Mr. Hsu). Online song performed by and Powerpoint slide show done by a simple high school science teacher named Mr. Hsu (live song performed by Mr. Moore and Mr. Hsu). mp3 available: c3po.barnesos.net This song and video have been made solely for educational purposes. Its level of depth and detail into the process of DNA Replication are aimed at High School Biology students (at least the ones I teach). If you find any errors or omissions (ie I didn't mention Primase), this is due to the fact that I'm not teaching college-level Biology AND I'm being constrained by describing such a complex biochemical process through a fairly old pop song with incredibly repetitive lyrics. Mr. Moore and I actually performed this song as a duet for out students in class the day before spring break. If you're lucky, you might find a video of such a live performance somewhere in the vast internet (quite a few of them were recording me singing it in class, after all). This video is a result of me taking a simple digital camera and aiming it at my computer to try and record the performance my students experienced (so sorry for the crude recording and poor quality). I have recorded an mp3, and if I have time, I will find a place to upload it for public download, so that other Biology students can listen and study for their tests on DNA Replication <b>...</b>


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DNA Replication


1. Strands are separated by the enzyme helicase 2. DNA binding proteins keep the strands from reattaching 3. New DNA is made at the leading strand by DNA Polymerase 3 from 5 prime to 3 prime 4. RNA Primase lays down a RNA primer at the lagging strand 5. DNA Polymerase 3 lays down new DNA in the lagging strand 6. Step 5 is repeated 7. Polymerase 1 replaces the RNA primers with DNA 8. DNA Ligase links the lagging strand There are four nitrogenous bases, which are Adenine, Guanine, Thymine, and Cytosine. Adenine always bonds with thymine and cytosine always bonds with guanine.


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