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Articles related to "Nucleotide"
Nucleotides and Nucleic Acids DNA & RNA This collection of articles explores the components and function of deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and the cellular energy carrier ATP. nucleotides and nucleic acids • what is a nucleotide • what is nucleic acid • nucleotide monomer • nucleic acid polymer
What Is a Genetic DNA Mutation? A mutation is a rare change in a gene's DNA sequence that can result in a defective cellular protein. This article covers the basics of genetic mutation. what is a genetic mutation • what is a gene mutation • what is dna mutation • genome mutation • mutated gene
Pharmacogenetics and Cancer Therapy Pharmacogenetics is the study of how genetic variations affect drug response.Knowledge of these variations, termed polymorphisms, can lead to individualized treatments of patients that are more effective with less adverse side effects than current methods. pharmacogenetics • dna • genome • polymorphism • nucleotides
Nucleic Acid DNA & RNA Synthesis What are deoxyribonucleic and ribonucleic acid made of, and how are these big molecules of genetic information built? This article explains the basics. nucleic acid synthesis • nucleic acid structure • nucleic acid polymerization • dna deoxyrobonucleic acid replication • rna ribonucleic acid transcription
Nucleotide Repeat Disorders There are a growing number of genetic diseases that would seem to have very little in common, yet they share in some unusual molecular changes. trinucleotide repeat disorders • huntington's disease • friedrich's ataxia • myotonic dystrophy • spinocerebellar degeneration
Nucleotides and Nucleic Acids What kind of molecules are nucleotides and nucleic acids and what are they made of? This article covers the basics. what are nucleic acids • nucleotides and nucleic acids • inorganic and organic molecules • nucleic acid structure • adenosine triphosphate
Single Nucleotide Polymorphisms Single nucleotide variations that are routinely found in the human genome DNA sequence can be used to identify regions important to understanding diseases. single nucleotide polymorphism • snps • single base changes in dna • gene mapping using snps • mapping diseases using snps
What Is the Nucleotide ATP? Adenosine triphosphate is a power-packed nucleotide that cells of our body just can't live without. Here's a clear summary of what ATP is, how it works and how it's made. what is atp • adenosine triphosphate • adenosine monophosphate amp • adenosine diphosphate adp • what is a nucleotide
The Structure of DNA Looking at the structure of the DNA molecule, from the nucleotides that make up DNA, to the discovery of the double helix structure. dna • deoxyribonucleic acid • polymer • monomer • nucleotide
Small-scale Genetic DNA Mutation The result of these genetic mistakes can range from no effect on the organism to the production a defective cellular protein that may have disastrous implications. small mutations • genetic mutations • point mutations • frameshift mutations • gene insertion
Nucleic Acid Function: DNA & RNA Nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the vital genetic blueprints, messengers and builders of the cellular world. nucleic acid function structure • dna replication • genetic transcription • protein translation • deoxyribonucleic ribonucleic acid
What is Ribonucleic Acid or RNA? RNA, ribonucleic acid, is the genetic material that transcribes DNA's instructions and translates instruction into construction of protein. what is rna • ribonucleic acid • nucleic acid • mrna • rrna
It's not secret agent Fragile X: The coding of Fragile X. Brief review and explanation of Fragile X disease plus reporting of recent finding about transmission rate of Fragile X gene in women. genetic testing • dna • chromosome • cytogenetic • fragile x
DNA Paternity Testing - RFLPs Also called DNA fingerprinting, this type of genetic testing compares segments of DNA by using special proteins called restriction enzymes to cut up the DNA molecule. dna fingerprinting • dna paternity test • restriction enzymes • fragment analysis length polymorphisms • blood genetic testing
A FEW BASICS ABOUT YOUR NUCLEOTIDE-BASES (i.e. GENES) Reviews a few definitions of genetic health professionals and genetic tests medical genetics • genetic test • health professional • carrier • preimplantation
Genetics of DNA Paternity Testing DNA paternity testing makes it possible to, with a very high degree of certainty, determine the identity of a child's biological father. Here's how. genetic paternity test testing • dna fingerprinting • restriction enzyme fragment • genome nucleic acid nucleotide • nitrogenous base
Antisense Therapy for Cancer Antisense therapy is a novel new means of drug action. Antisense is a short section of nucleic acid (an "oligonucleotide")that is complimentary in structure to a cancer gene or its RNA transcript.Antisense combines with the cancer gene and thereby prevents the formation of a protein that is usually involved in runaway cell division. antisense • deoxyribonucleic acid • ribonucleic acid • rna polymerase • oligonucleotide
GENOMICS: The Science born out of the Human Genome Project Today, almost three years after the first draft of the Human Genome Projecte was presented to the world we have a new science: Genomics, that studies how the genome function as whole. The comparison of the functioning of the rat, mice and human genomes, is starting to shed light on how it works in health and disease. human genome project • genome • rat genome • mouse genome • snp
PHARMACOGENOMICS: MEDICINES TAILORED JUST FOR YOU This article is a brief description of the new science of Pharmacogenomics that will permit the design of medicine specific for a person according to his/her genetic make up. pharmacogenomics • personalized medicine • medicines • biochip • dna
Theories of How Life Began Theories about the first life forms tend to agree on what had to happen, but differ in their explanations of where and how. There are three strong contenders. when how life began • soup sandwich pizza • first cells theories hypothesis • nucleotides molecules nucleic acid • rna ribonucleic dna deoxyribonucleic
Chromosomes & Sister Chromatids When is DNA considered a chromosome? What is a sister chromatid and how does it differ from a chromosome? The article unravels some of the lingo of DNA. sister chromatids • cell nuclear division mitosis • duplicated homologous chromosomes • eukaryotic cell cycle • parent daughter cell
DNA Fingerprinting Paternity Test Genetic technology is used to investigate paternity. By employing an electrical current to separate DNA fragments, the genetic similarity of individuals can be assessed. paternity test testing • dna fingerprinting • restriction enzyme fragment length polymorphism an • genetic code technology rflp • electrophoresis band lane well
Smoking Affects Gene Activity A recent Canadian study suggests that while some changes in gene activity can be reversed by stopping smoking, other changes are irreversible. smoking • quitting smoking • cigarettes • lung cancer • cancer
Anti-viral Agents Anti-viral agents inhibit viral replication rather than eliminating viral particles already present. antiviral • viral • replication • protease • inhibitor
What Are Organic Molecules? What is the difference between an organic and an inorganic molecule? What substances are within the realm of organic chemistry? Read on and discover. what are organic molecules • what are inorganic molecules • difference between organic inorganic molecule • lipid structure • nucleotide nucleic acid
Polymerization of DNA & RNA Building Blocks Prior to cell division, a new copy of DNA must be built. And in order for our cells to make proteins, RNA must be created from the DNA template. How is this accomplished? nucleic acid synthesis • nucleic acid polymerization • deoxyribonucleic acid • nucleic acid transcription • rna translation
DNA Fingerprinting & Crime Retrial What is DNA fingerprinting and how does this type of genetic evidence factor into criminal retrials and verdict reversals? genetic sequencing • dna fingerprinting analysis forensics • dna evidence criminal case trial retrial verdict r • robert caulley murder • genome dna molecule
Genetic Disorders & DNA Sweeps Rapid advances in gene scanning technology have identified genes linked to cancer, arthritis, diabetes and many other diseases. gene scanning technology disease illness • dna sweeps • human genome international hapmap project • genome-wide association studies • genetic variant disorders prostate cancer heart di
Nucleic Acids & Gene Recognition New study demonstrates that genes recognize other genes that have similar base pair sequences, a discovery that can help us understand DNA repair and genetic diversity. gene recognition • genes base pair sequence homology • recognize nitrogenous bases • genes recognize each other • deoxyribonucleic acid telepathy
Genetics Education Teaching Tools Here are links to free worksheets that can help science educators assess students' understanding of cell division, DNA transcription and translation. genetics education teaching tools • dna cell division worksheet • mitosis meiosis college high school exercises • transcription translation • science educator online resources lectures
What Is a Lipid Molecule? What are the different kinds of lipids? What is the difference between saturated and unsaturated fats? Read on and discover. what is a lipid • what is a fat • lipid steroid cholesterol • what is wax • types of lipids
Mitosis & Meiosis Comparison This article series provides information of how mitotic and meiotic cell division differ and how these processes are integral to the human life cycle. mitosis meiosis comparison • compare mitosis meiosis • meiosis mitosis difference • human life cycle • somatic cell division
Mitochondrial DNA and Genetics Mitochondrial DNA is inherited only from the mother, and is present in higher abundance than the nuclear genome, making this molecule useful in genetics studies. forensics • mitochondrial dna • mitochondrial genome • genetics • genealogy
How a Cell Synthesizes Protein When a cell requires more of a specific protein, messenger RNA is made from the gene for that protein and during translation the information is converted to new protein. how are proteins synthesized • what specifies the amino acid order in a protein • what is translation • initiation codon • termination codon
What Is Cellular Metabolism? We hear the word used all the time, read diet books on how to boost ours and lament its slowing as we age. But what exactly is metabolism? what is metabolism • aerobic cellular respiration • adenosine triphosphate atp • what is an autotroph heterotroph • glycolysis
Simulating DNA This article discusses a recent simulation study of DNA. dna • simulation • chemical physics • free energy • pathway
Viral DNA and RNA Genomes Viral genomes might be small, but, as dsDNA, ssDNA, dsRNA or SS RNA, they show much more variation in form than is found in the genetic material of living cells. viral genome • viral dna • viral rna • virus genetic material • whst is a virus made of
The genome project and cancer research The completion of the human genome project has provided the means for a vastly improved understanding of our genes and their location in the chromosomes. How will this aid in cancer research genome • dna • sequence • bases • coding
Amino Acids and Proteins Learn about the chemical bonds and different levels of structure that take amino acid monomers to a whole other level, a more complex protein polymer. what is an amino acid protein • peptide monomer polymer dipeptide polypeptidechain • organic inorganic molecules • peptide covalent bonds • levels of protein structure complex primary second
Asexual and Sexual Reproduction Some living things reproduce by cloning; producing offspring that are genetically identical to the parent. Organisms that procreate sexually create genetic novelty. cell division • mitosis • meiosis • asexual reproduction • sexual reproduction
Combination Therapy for HIV/AIDS For an HIV/AIDS medical regimen to be effective, a combination of two or more antiretroviral drugs is usually necessary to reduce drug resistance. combination therapy for hiv/aids • cocktail of antiretroviral drugs • hiv/aids medical regimen • highly active antiretroviral therapy • highly active antiretroviral treatment
DNA and Genealogy DNA studies have developed rapidly to help scientist understand biological systems and disease. Genomics are now being applied to fingerprint criminals and cousins. dna and genealogy • genealogy research • inherited traits and disease • researching family history • human genome project
Genetic In Vitro Embryo Research Researchers use the genetic material from 3 people to circumvent mutations in the mother's mitochondrial DNA. in vitro embryo research • three parent zygote • mitochondria genes • mtdna mutations genetic disorders • defective mitochondrial dna
Genetics And Hypertension Genetics and environmental factors contribute equally to the development of high blood pressure. Genes in the RAS are particularly important. genetics of hypertension • genetics of high blood pressure • contributing factors of hypertension • contributing factors of blood pressure • renin angiotensin mutations
Genetics of Anxiety Disorder PTSD JAMA study reveals relationship between post-traumatic stress disorder (PTSD), child abuse and a stress-related gene. genetics anxiety disorder • environment anxiety disorder • post traumatic stress disorder genetic factors • risk of post traumatic stress disorder • risk of ptsd
HIV Study Seeks Participants A $20.5 million grant enables expansion of an international program investing the biological factors underlying immune system control of HIV, the virus that causes AIDS. hiv • aids • immune system • vaccine • international hiv controllers study |
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