Our blogs and videos choice: dna

Cancer-death on your doorstep ! | Health For You

The DNA is inserted into the host DNA where it may stay and be replicated for generation of cells. HIV is a harmful reterovirus and other reteroviruses cause cancer. These contain a gene which alters host cell division genes, switching them on and causing the cell to become malignant. ->DNA viruses contain DNA as their hereditary material. Some contain their own oncogenes which can cause uncontrolled cell division of host cells. ->Hereditary predisposition. About 5% of human cancers show a strong genetic predisposition. More than 40 types of cancer, including breast, ovary and colon cancers [more...]

Date: 2010-10-13 07:12:48

Blog posts (125) | Videos (64)

New Paper Shows Enzyme-Controlled Movement of DNA Polymer Through ...

This paper addresses a key challenge for DNA strand sequencing: fine control of the translocation of the DNA strand through the nanopore, at a rate that is consistent and slow enough to enable accurate identification of individual DNA bases. The Nature Nanotechnology work shows for the first time that the motion of a strand can be controlled using electronic feedback and that an enzyme can move a strand against a field while located on top of the nanopore. "The techniques described in this paper are an advance towards electronic, single molecule DNA sequencing of DNA strands" said [more...]

Date: 2010-09-28 17:46:34

Structure and mechanism of human DNA polymerase eta.

Structure and mechanism of human DNA polymerase eta. Nature. 2010 Jun 24;465(7301):1044-8 Authors: Biertümpfel C, Zhao Y, Kondo Y, Ramón-Maiques S, Gregory M, Lee JY, Masutani C, Lehmann AR, Hanaoka F, Yang W The variant form of the human syndrome xeroderma pigmentosum (XPV) is caused by a deficiency in DNA polymerase eta (Poleta), a DNA polymerase that enables replication through ultraviolet-induced pyrimidine dimers. Here we report high-resolution crystal structures of human Poleta at four consecutive steps during DNA synthesis through cis-syn cyclobutane thymine dimers. Poleta acts [more...]

Date: 2010-06-26 11:02:58

The Science: Gene Mutation

Gene Mutation In general mutation may be defined as a sudden change in the genetic material. In recent years the term mutation has generally been restricted to processes that result in a direct alteration of gene contents unrelated to observable chromosome changes. Thus, mutation at the level of nitrogenous base sequences of DNA, i.e., at the genetic level is called gene mutation or point mutation. According to strickberger, ‘point mutation or gene mutation has come to mean the process by which new alleles of gene are produced’. Gene mutation can arise spontaneously or they may be [more...]

Date: 2010-03-27 09:00:00

DNA: The Tree of Life ( Humanity Hacking Immortality )

Visit my website http Seek Knowledge for “Life” Music by korn (Evolution) Visit my blog key-universe.blogspot.com DNA en.wikipedia.org Nucleic acid en.wikipedia.org Genetics en.wikipedia.org Protein en.wikipedia.org RNA en.wikipedia.org Polymer en.wikipedia.org Nucleotide en.wikipedia.org Nucleobase en.wikipedia.org Genetic code en.wikipedia.org Amino acid en.wikipedia.org Chromosome en.wikipedia.org DNA replication en.wikipedia.org Eukaryote en.wikipedia.org Helix en.wikipedia.org DNA sequencing en.wikipedia.org Junk DNA en.wikipedia.org Triple-stranded DNA en.wikipedia.org History of [more...]

Date: 2010-08-27 22:27:16

Vitamin B12 and body | DNA Sequencing

Vitamin B12 is the vitamin B complex This member of the vitamin B complex keeps cobalt, is also known as cobalamin. This can be discovered, especially in eggs and dairy products and meat. This vitamin is the vitamin as "anti-stress" known. Vitamin B12 is important for the development of red blood cells. It 'also necessary for the cleavage of DNA during cell replication. This vitamin is also essential balance necessary for neurological and Wellnessthe synthesis of myelin. This vitamin also raises the activity of the immune system and helps in the fight against onerous conditions. The [more...]

Date: 2010-10-07 03:00:27

[DNA: Replication, Repair, and Recombination] Inefficient ...

Inefficient Proofreading and Biased Error Rates during Inaccurate DNA Synthesis by a Mutant Derivative of Saccharomyces cerevisiae DNA Polymerase δ* Stephanie A. Nick McElhinny ‡ , Carrie M. Stith § , Peter M. J. Burgers § and Thomas A. Kunkel ‡ ‡Laboratory of Molecular Genetics and Laboratory of Structural Biology, NIEHS, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina 27709 and the §Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, Missouri 63110 1 To whom [more...]

Date: 2007-01-19 08:00:00

Productive Nanosystems: The Movies

Productive Nanosystems: The Movies by Eric Drexler on 30 January 2009 In his comment on Molecular Machine Assembly: The Movie, Drew Whitehouse reminded me of a set of excellent animations of biological productive nanosystems, work done by Drew Berry. These videos are based on scientific data describing molecular structure and function, and from what I’ve seen, Drew Berry’s work is the best of its kind. Below are the most complete and directly accessible videos I’ve found. Productive nanosystems are nanoscale machines that make atomically precise products under programmable control, and [more...]

Date: 2009-01-30 01:37:02

DNA polymerase

DNA store information within an organism which is passed down to generation after generation through DNA replication and sexual/asexual reproduction. There are no known organisms extinct or alive that have used another system of inheritance. That being said, DNA is its replication is the most important biological molecular process on the planet second only to perhaps photosynthesis that generates the bulk of the energy stores for the worlds ecosystems and the organisms within them. Formore interesting videos from project ‘Curiousity’ check out: www.youtube.com Our website: [more...]

Date: 2010-10-08 04:26:00

.ada.aimi.kisah: dna replication.ape tu?

in this chapter, there's three processes to synthesis protein from DNA. replication(DNA>DNA)> Transcription(DNA>RNA) > Translation(RNA>Protein) just focus on Eukaryotes jea tau. prokaryotes tak masuk dalam syllabus. :) replication of DNA - separation of double strands of DNA is by Helicase. and to prevent the rewinding of the strands, there is SSBp.(Single strand Binding protein) to help. - Leading strand (5' to 3') is copied by DNA Polymerase III which functioned as template for the replication. - lagging strand ( 5' to 3') is produced by DNA Polymerase III and form Okazaki Fragment. [more...]

Date: 2010-08-18 19:04:00

Biology Animations: animation of DNA replication

The chain elongation reaction catalyzed by DNA polymerases is a nucleophilic attack by the 3’-OH group of the primer on the innermost phosphorus atom of the deoxynucleoside triphosphate. A phosphodiester bridge forms with the concomitant release of pyrophosphate. The subsequent release of pyrophosphate by pyrophosphatase helps drive the polymerization forward. ***Elongation of DNA chain proceeds 5’-to-3’ direction. ***Template directed enzyme also have nuclease activity. Maurice Wilkins-Rosalind Franklin (x-ray diffraction photos of fibers of DNA) Erwin Chargaff (nucleotide ratios in [more...]

Date: 2007-10-12 15:35:00

Study Says Nutrition And Heredity Are Genetically Linked

About News News From All Over The World, Right To You ... View News's Profile A challenging goal in biology is to understand how the principal cellular functions are integrated so that cells achieve viability and optimal fitness under a wide range of nutritional conditions. Scientists from the French research centers INRA and CNRS showed by genetic approaches that, in the model bacterium Bacillus subtilis, central carbon metabolism (which generates energy from nutrients) and replication (which synthesizes DNA), two key functions in the fields of nutrition and heredity, are tightly linked. [more...]

Date: 2007-05-16 07:00:00

Do you want to live forever? Scientist may have figured out how…

The ends of the chromosomes are capped by telomeres, long thought to have a protective function. Without them, the chromosomes would be shortened during each cell division, because DNA polymerase is unable to copy to the very end of one of the two DNA strands it is replicating.       In the early 1980s, after their fortuitous meeting at a Gordon Research Conference in 1980, Blackburn and Szostak discovered that telo­meres include a specific DNA sequence. Fired up by the novelty of each other's work, they devised experiments that seemed crazy at the time, even to themselves. Szostak took [more...]

Date: 2010-10-05 10:21:00

How the Most Influential Scientists Alive Today Unraveled the ...

DNA has been extensively researched by scientists wishing to further understand the complex way in which life is biochemically formed. DNA contains the genetic information that composes nearly all living organisms. In the early 1950s, molecular biologist James D. Watson led his team of researchers to the ground breaking discovery that DNA is a double-stranded chain, also referred to as a double helix. Using models, he showed how matching nucleotide base pairs from the two DNA strands interlocked to form a double helix. He then showed how the strands separate during replication, and how each [more...]

Date: 2010-09-23 10:31:56

Autism and schizophrenia: Scientists measure gene mutation rate ...

Mutations are alterations of the cell’s DNA that can occur because of errors in the DNA replication, which happen prior to cell division. Once DNA is changed, this mutation is passed down to a next generation. A mutation that is newly formed and therefore not inherited from either parent is called a de novo mutation. More information: The paper, “Direct Measure of the de novo Mutation Rate in Autism and Schizophrenia cohorts,” published in the American Journal of Human Genetics, was authored by Philip Awadalla, et al. http://www.cell.com/AJHG Source: [more...]

Date: 2010-08-27 20:01:54

Important questions 4 CSIR | BioTecNika.Org

Todays set of questions are: 1)    Name two nonpolar amno acids. Sickle cell anaemia results from a substitution of a valine for a glutamate. What do you expect the effect might be if mutation were to have placed a leucine at that site? Or an aspartate? (Karp, 80) 2) Match the following: Group—A                                     Group—B a) RNA polymerase                  i) NADPH formation b) Lipids                                   ii) DNA polymerase-I c) [more...]

Date: 2010-09-26 02:05:57

DNA Polymerase and other factors

DNA polymerase can add free nucleotides to only the 3’ end of the newly-forming strand. This results in elongation of the new strand in a 5'-3' direction. No known DNA polymerase is able to begin a new chain (de novo). DNA polymerase can add a nucleotide onto only a preexisting 3'-OH group, and, therefore, needs a primer at which it can add the first nucleotide. Primers consist of RNA and DNA bases with the first two bases always being RNA, and are synthesized by another enzyme called primase. An enzyme known as a helicase is required to unwind DNA from a double-strand structure to a [more...]

Date: 2008-07-27 11:03:00

Specific replication origins promote DNA amplification in fission ...

We propose that these features predispose replication origins to re-fire within a single S phase, or to remain active after passive replication. Key words: Cell cycle, DNA amplification, DNA replication, Fission yeast, [more...]

Date: 2010-09-01 16:30:57

SURE Animations for Higher Biology | Citocromo P450

Posted on septiembre 14, 2010, 8:12 am, by admin, under Citocromo P450. This is a showreel for SURE Animations, a high quality 3-D animation suite for the SQA Higher Biology curriculum. The software contains 20 fully annotated animations with additional detailed descriptions of the physical processes. The animations cover: Cell types, Cell absorption, Diffusion and osmosis, Plasma membrane fluid mosaic model, Active transport, Glycolosis, Mitochondrial structure, Krebs’ cycle, Cytochrome system, Photosynthesis: Light-dependent stage, Photosynthesis: Calvin cycle, Antibody, DNA, DNA and RNA, [more...]

Date: 2010-09-14 08:12:34

PNAS: 噬菌体DNA复制机制:TPs organize the early viral DNA ...

Importantly, we show that in the absence of the TP N-terminal domain the efficiency of ϕ29 DNA replication is severely affected. Moreover, the TP recruits the phage DNA polymerase to the bacterial nucleoid, and both proteins later are redistributed to enlarged helix-like structures in an MreB cytoskeleton-dependent way. These data disclose a key function for the TP in vivo: organizing the early viral DNA replication machinery at the cell nucleoid. Published online before print September 7, 2010, doi: 10.1073/pnas.1010530107 PNAS September 21, 2010 vol. 107 no. 38 [more...]

Date: 2010-09-28 15:52:00

Welcome to Amino Acids: Amino Acid Translation

The process of copying genetic information from DNA into RNA is called____ protein synthesis replication transcription duplication translation DNA synthesis ___is unique to DNA. adenine cytocine uracil thymine guanine A mRNA sequence with 30 nucleotides codes for______ 15 amino acids 90 amino acids 10 amino acids 3 amino acids Translation is a process which converts the information in ____into ___ "DNA, mRNA" "mRNA, DNA" "protein, DNA" "mRNA, protein Get the answers... Missense mutation in which part of KRT5 gene does epidermolysis bullosa with mottled pigmentation form? (Answers: 1) [more...]

Date: 2008-01-19 08:00:00

Ch. 14 Vocabulary: DNA: The Genetic Material

DNA Polymerase Epsilon: (pol ε) Part of the complex of the main replication polymerase used in eukaryotic organisms. DNA Polymerase Delta: (pol δ) The other part of the complex of the main replication polymerase used in eukaryotic organisms. Telomere: A specialized nontranscriptional structure that caps each end of a chromosome. Telomerase: An enzyme that synthesizes telomeres on eukaryotic chromosomes using an internal RNA template. Mutagen: An agent that induces changes in DNA (mutations); incluyes physical agents that damage DNA and chemicals that alter DNA bases. Thymine Dimer: Formed [more...]

Date: 2010-03-10 06:05:00

Natural Diet and Lifestyle Reverse the Effects of Aging | Health News

While DNA and genetics play a minor role, poor diet and lifestyle directly contribute to the leading causes of mortality, coronary artery disease, cancer, stroke, and dementia. Fortunately we can steer our destiny toward optimal health even after years of dietary and lifestyle abuse by addressing each identified aging factor. Neutralizing the Effects of Free Radicals Free radicals are unstable electrons produced during the normal course of metabolism, causing damage to the delicate cell nucleus and mitochondria. Free radicals can wreak havoc with DNA, altering its structure and causing [more...]

Date: 2010-10-12 07:34:49

Dynamic DNA Helicase-DNA Polymerase Interactions Assure Processive ...

A single copy of bacteriophage T7 DNA polymerase and DNA helicase advance the replication fork with a processivity greater than 17,000 nucleotides. Nonetheless, the polymerase transiently dissociates from the DNA without leaving the replisome. Ensemble and single-molecule techniques demonstrate that this dynamic processivity is made possible by two modes of DNA polymerase-helicase interaction. During DNA synthesis the polymerase and the helicase interact at a high-affinity site. In this polymerizing mode, the polymerase dissociates from the DNA approximately every 5000 bases. The polymerase, [more...]

Date: 2007-08-31 07:00:00

Medical Transcription From Home: What Is The Difference Between ...

DNA replication is the process by which one double helix of DNA is duplicated into two identical double helices which are also identical to the mother DNA. Translation is taking the RNA just made and using it to make a protein. Translation takes place after transcription of the genetic code into mRNA has been started. Translation refers to protein synthesis, in which proteins are made by reading the sequence information after the mature and processed mRNA by a ribosome. To me, transcription still refers to transcribing from a recording. But I thought you might want to find out why you’re [more...]

Date: 2010-08-05 18:01:00

Anti Aging Skin Care Treatment – Future Techniques | Healty Living ...

DNA is often referred to as the molecule of heredity, as it is responsible for the genetic propagation of most inherited traits. During reproduction, DNA is replicated and transmitted to the offspring. Encouraging the skin to repair its DNA is the future of anti-aging skin care according to dermatologists. Cosmeceuticals of the future will target each individual’s unique DNA and deliver the needed treatment without irritation that other products could produce on the skin. At time, DNA anti aging technique have been clinically tested to help fight: - Wrinkles - Sagging skin - Dry skin - [more...]

Date: 2010-10-13 02:40:23


The rate of DNA synthesis E. The series Related posts: DNA REPLICATION (VERY REALISTIC 3D ANIMATION) DNA riposte is the routine of duplicating the double-stranded... HOW DOES EUKARYOTIC DNA REPLICATION DIFFER FROM PROKARYOTIC [more...]

Date: 2010-06-09 07:16:14

11/16-11/20/09 Objectives & Assignments

Biology from the Greek words bios, meaning “life”, and logos, meaning “study”: BIOLOGY *the study of life* 11/16/09  DNA  extraction lab 1.  Students will  extract  DNA  from Strawberries using detergent/salt soln., ethanol, and wooden stick.   Object is to extract DNA and observe its structure. 11/17/09   DNA replication, transcription, translation foldable 1. Students  will begin  a foldable using  notes  given in class( DNA, DNA replication,  and DNA to proteins notes**given out in class) .  Instructions given in class  .  Took up foldables – will hand out and [more...]

Date: 2009-11-17 15:18:33

What Does DNA Stand For in Science | Intelligent Mag

Before cells are divided, the chromosomes duplicate first; this is what we call replication of DNA. This is the division of cells which results in two cells that have to contain the same information like their mother-cell. There are four nitrogenous bases within the DNA molecule. Those are: Adenine, Cytosine, Thymine and Guanine. Genes are composed of bases. In case of DNA damaging, the sequence of DNA will be changed. This happens when there is mutagen factor involved. These mutagens are highly radioactive. The damage that occurs as a result of the radiation is determined by the mutagen [more...]

Date: 2010-10-09 19:47:49

Science and Convictions

This method of replicating DNA, or copying DNA, is used to produce large amounts of DNA necessary for a DNA profile, another scientific procedure used to distinguish individuals of the same species using samples of their DNA. [more...]

Date: 2010-09-29 08:03:42

Translesion Synthesis Polymerases in the Prevention and Promotion ...

These mutations are formed when residual, unrepaired DNA damage stalls progression of the replication fork during S phase. Stalled replication forks are most frequently resolved using error-free mechanisms that include homologous ..... C. W. Lawrence, P. E. M. Gibbs, R. S. Murante et al., “Roles of DNA polymerase ζ and Rev1 protein in eukaryotic mutagenesis and translesion replication,” in Proceedings of the Cold Spring Harbor Symposia on Quantitative Biology, vol. [more...]

Date: 2010-08-13 07:00:00

Protein Synthesis, DNA Replication - DNA Station

Protein Synthesis, DNA Replication DNA replication is the process of copying a double-stranded DNA molecule to form two double-stranded molecules. The process of DNA replication is a fundamental process used by all living organisms as it is the basis for biological inheritance. As each DNA strand holds the same genetic information, both strands can serve as templates for the reproduction of the opposite strand. The template strand is preserved in its entirety and the new strand is assembled from nucleotides — this process is called “semiconservative replication”. The resulting [more...]

Date: 2010-07-27 02:56:58

Role of Telomeres in the Development of Cancers | Fashion in US

This detail alone causes problems due to the fact that DNA replication progresses 5′ to 3′ which leads to discontinuity in the lagging strand, therefore the nucleotide adding enzyme DNA polymerase cannot finish the polymerisation process ... A small piece of DNA is left unreplicated at the end of each cell cycle which results in that amount of DNA to be lost and if this process carries on the way it does, then this will eventually cause the essential, protein-coding [more...]

Date: 2010-10-13 15:26:08

Taking a stride toward synthetic life | Harvard Gazette Online

“The reason it is a step toward artificial life is that the key component of all living systems is the ribosome, which does protein synthesis. It is the most conserved and one of the most complicated biological machines,” Church said. ... His work, he said, is exploring the properties of these RNA-like molecules, seeking variations that make them better early candidates to store and replicate genetic information than either DNA or RNA, which perform those functions in [more...]

Date: 2009-03-08 00:29:28

Tentative Schedule of Classes and Activities

1. Introduction # 1. Biology and the Scientific Method, Chapter 1 # 2. Cell Structure, Chapter 4 # 3. Protein Synthesis: Transcription and Translation, Chapters 9 and 10 # 4. Cell-Cell Interactions, Chapter 5 2. # 5. From One Cell To Two: Cell Division and DNA Replication, Chapter 11 # 6. From Two Cells To Many: Cell Differentiation and Embryonic Development, Chapter 40 # 7. From Genes To Traits: How Genotype Affects Phenotype, Chapters 12 3. # 8. From Genes To Species: A Primer on Evolution, Chapters 14, 15 and 16 # 9. Origin of Biological Diversity, Chapter 17 # 10. Evolution of [more...]

Date: 2010-03-10 20:05:12

DNA replication

The leading strand is the template strand of the DNA double helix so that the replication fork moves along it in the 3' to 5' direction. This allows the new strand synthesized complementary to it to be synthesized 5' to 3' in the same [more...]

Date: 2010-06-28 03:08:46

ThinkGeek :: DNA Portrait

It's art! It's you! Your deoxyribonucleic acid is what makes you the unique snowflake you are. The genetic dance of Adenine, Thymine, Guanine and Cytosine, in infinite combinations, has its own beauty. With the advent of forensic electrophoresis, your own beautiful genetic makeup can be your own personalized art. First, we collect a few cheek cells. It's a painless process - just swipe the inside of your mouth with a cotton swab. Then, you send your sample to our labs where our monkey scientists replicate a few clone-troopers extra strands of DNA, dye them, embed them in a gel, and apply [more...]

Date: 2009-06-11 20:41:14

Claim of Having Created Synthetic Life Is Far Overblown

A valid claim of creating synthetic life would require that – Even absent an agreed-upon ethics-based definition of “synthetic life,” a common sense definition would require that: (1) The synthetic DNA coding and sequencing not slavishly copy a known life form. Otherwise Life has done all the work in evolutionarily stumbling upon a coding sequence and organization that can self-replicate an organism on its own. (2) The synthesized DNA must either (a) code its own contents-enclosure (cell wall for bacteria) or (b) be placed in equally novel, human-created container, rather than [more...]

Date: 2010-06-18 13:37:40

DNA replication, transcription and translation in action ...

While browsing you tube I came across this really nice animation of DNA replication, transcription and translation complete with imaginative sound effects. [more...]

Date: 2007-08-29 21:34:38

Journal of Autoimmune Diseases | Full text | Autoantigenic nuclear ...

POLDIP3 binds to DNA and RNA during replication process, is a specific target of S6 kinase 1, interacts with p50 subunit of DNA polymerase delta, possess duplex DNA-unwinding and ATPase activities and regulates cell growth . The four autoantigenic proteins reported are of nuclear localization. Sizes of the above mentioned clones, genes that encode them, chromosome in which they are and data of the proteins are shown in Table [more...]

Date: 2008-07-14 00:00:00

Bio Blog!: DNA Replication Animation

The animation's cool and educational. my cousins were laughing at some point, but i dont understand..... oh yeah, the dna and rna looked lik pipe cleaners ;D February 22, 2010 7:31 PM Anonymous said... I think genetics are really cool, and I also think there are so many more things we don't know about them yet which is why they seem so cool to me.\ lauten 7f February 22, 2010 7:35 PM Anonymous said... Its so awesome how every part of the DNA is copied it is kind-of like like a live copier machine! -Peter Freitag 7E :) February 22, 2010 7:47 [more...]

Date: 2010-02-22 23:57:00

[Genome integrity and transmission] Mutagenic and Recombinagenic ...

Defective DNA replication can result in substantial increases in the level of genome instability. In the yeast Saccharomyces cerevisiae, the pol3-t allele confers a defect in the catalytic subunit of replicative DNA polymerase that [more...]

Date: 2008-08-17 07:00:00

Genetics Computer Teaching Simulation Programs: Promise and ...

Other programs in the Hands On Genetics set include an elementary simulation of DNA replication, transcription, and translation; a PCR simulation; and a restriction enzyme site mapping exercise. ... The most common type of software might be described as "animation," rather than simulation software, as in the Hands on Genetics programs. Perhaps the best example of this is the comprehensive and informative "DNA from the Beginning" (http://dnaftb.org), a free set of modules [more...]

Date: 2010-08-16 19:16:11

What is the role of enzymes in the DNA replication process?

C i think, I thought it could be A but the last words say from scratch but enzymes like dna polymerase require primers to start the base sequence so further bases can be read so it cant be A Know better? Leave your own answer in the comments! This entry was posted on Tuesday, October 5th, 2010 at 3:16 am and is filed under Enzymes. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own [more...]

Date: 2010-10-05 10:16:50

Design of new DNA-interactive agents by molecular docking and QSPR ...

sensitivity to drugs, which block replication and transcription of their DNA.1. Molecular recognition of DNA by small molecules is a fundamental problem in drug design. Polycyclic heterocycles having a planar structure can be effective [more...]

Date: 2010-09-06 04:00:00

Association between the Herpes Simplex Virus-1 DNA Polymerase and ...

Herpes simplex virus-1 (HSV-1) is a large dsDNA virus that encodes its own DNA replication machinery and other enzymes involved in DNA transactions. We recently reported that the HSV-1 DNA polymerase catalytic subunit (UL30) exhibits [more...]

Date: 2010-08-27 14:59:07


Welcome to the Interactive Section of the site. Here we will be posting papers and other replication news. Please feel free to add your comments to any of the postings here. Active Site Mutations in Mammalian DNA Polymerase {delta} Alter Accuracy and Replication Fork Progression Michael W. Schmitt, Ranga N. Venkatesan, Marie-Jeanne Pillaire, Jean-Sebastien Hoffmann, Julia M. Sidorova, and Lawrence A. Loeb J. Biol. Chem. 2010 285: [more...]

Date: 2010-10-11 08:02:00

What determines the sequence of newly synthesized strand during ...

What determines the sequence of newly synthesized strand during DNA replication. (A.) The particular DNA polymerase catalyzing the reaction (B.) The relative amounts of the four deoxynucleotides in the cell [more...]

Date: 2010-06-15 16:03:58

prentice hall biology chapter 12 dna and rna answer key

Proteins – mRNA and Protein synthesis (Chapter 5 & 6) … Lambda phage – Transcription (Chapter 12). 09-29. First Test. 10-04. DNA Replication … http://www2.oakland.edu/biology/chaudhry/pics/CourseOutline.pdf * pdf DEPARTMENT OF BIOLOGY Prentice Hall., New Jersey. Parves, S., and O. Heller. 2004. Life-the Science of Biology. … Molecular Basis of Inheritance: Ch 16 a. DNA is the genetic material … 12. From gene to protein: Ch 17 a. Transcription and RNA processing … http://www.mec.cuny.edu/academic_affairs/science_tech_school/biology/201 [more...]

Date: 2010-09-21 15:28:52

Abasic sites preferentially form at regions undergoing DNA ...

We investigated whether apurinic/apyrimidinic (AP/abasic) sites were more frequent in regions of DNA replication in cells and whether their number increased during oxidative stress. DNA fiber spreading and fluorescent immunostaining [more...]

Date: 2010-06-04 07:00:00

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