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Articles related to "Nucleic Acid"
Building Blocks of DNA & RNA 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
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
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
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
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
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
Antiviral Therapy In order to be effective, antiviral agents must be capable of reaching the infected organ(s) and preventing viral replication without affecting host cell function. virus • antiviral • replication • reproduction • dna
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
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
Viruses A look at the differences in structure between viruses, and how viruses reproduce. virus • small pox • rabies • measles • influenza
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
What is Biochemistry? DNA, enzymes, fats, carbohydrates and hormones are all part of the discipline of Biochemistry. biochemistry • protein • dna • fats • lipids
Viral Infectious Disease Although they appear to behave as living things, viruses, vioids and prions are nonliving particles. Read on and discover more about these 'smart' parasites. what is a virus prion viroid virion • acellular particle • intracellular extracellular virus • infectious infection agent disease • living nonliving organism
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
What Is a Virion or Virus? Viruses are not living cells, but efficient parasites that commandeer living cells and turn them into virus factories. Learn how these nonliving particles act so smart. what is a virus virion • acellular particle • viral capsid capsomeres envelope • viral nucleic acid genetic material rna dna • viral classification classify virus
Making Sense of the Genetics of RNA Viruses The genetic material of a virus can be either DNA or RNA, and if it is single-stranded RNA, the biologist must then make sense of the type of strand. viral rna sense strand • negative sense strand • positive sense strand • viral genome • sense strand
How to Kill Bacteria and Other Microbes Heat, UV radiation, antibiotics and chemicals are all used to control bacteria, viruses and other microorganisms. How to they kill pathogens without hurting our cells? how to kill microbes • how to kill bacteria • contol bacterial pathogens • control viral pathogens • microbial control heat
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
Viral Genes in Human Genome The genetic blueprint of every human contains a significant amount of DNA that is not actually human. Dormant fossil viruses have infiltrated our genome. viral genes • virus dna in human genome • viral genes in human genome • viral human dna • fossil viruses
What Is a Carbohydrate? Carbs, also known as saccharides, are organic molecules that are used as energy sources, structural molecules and as components of other biological molecules. what is a carbohydrate • what is a carb • simple sugar • single sugar • double sugar
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
Cells, Viruses, Viroids & Prions Infectious disease can result of cellular organisms, such as bacteria (prokaryotes), from eukaryotes (cells like ours) or from nonliving infectious agents. what is a cell • what is a virus • what is a viroid • what is a virion • what is a prion
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
Viral Virion Lysogenic Replication Bacteriophages reproduce by commandeering a bacterium and ultimately killing it. But sometimes, through lysogeny, the phage doesn't immediately take over its host. lysogenic cycle • viral lysogeny • virus lysogeny • viral lysogenic cycle • virion virus
Cells & Viral Pathogenic Microbes All living things are composed of one or more cells. Unlike cells, viruses, viroids and prions are acellular, nonliving parasites that require a living host to reproduce. cells viral pathogenic microbes • difference cells viruses • living cell • virus viroid prion • eukaryotic eukaryotes prokaryotes prokaryotic cell
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
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
What Is a Bacteriophage? This series of articles explores how viruses that exclusively infect bacterial cells recognize the hosts they parasitize and reproduce once the bacterium is infected. what is a bacteriophage • phage host recognition • bacteriophage lytic replication • phage lysogeny • bacteriphage lysogenic cycle
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
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
Viral Lytic Cycle Replication Bacteriophages are a special type of virus that exclusively infects bacterial cells. Here's how they recognize, take over and ultimately kill their host bacteria. bacteriophage reproduction • bacteriophage replication • bacteriophage bacteria • t4 phage • viral lytic cycle
Meiosis & Sexual Reproduction Meiosis, a type of cell division, results in production of gametes (eggs & sperm). Genetically unique sex cells combine at fertilization to form one-of-a-kind offspring. meiosis mitosis • meiosis sexual reproduction • types of cell division • sex cells sperm egg • gametes fertilization
MAD COW DISEASE During the last few years you have heard about "<b><a href="http://www.mad-cow.org">mad cow disease</a></b>," which not only has wreaked havoc in the British economy but also brought fear into the hearts of the European people because man can be infected by eating contaminated meat. bse • mad cow disease • pathogenic • mutation • protein
Blue Genes The quest for mood genes continues ... depression • bipolar disorder • mood • genetics • mood genes
Bacteria Horizontal Gene Transfer Although bacterial reproduction results in the generation of clones, prokaryotes can undergo genetic recombination through transformation, transduction, and conjugation. bacteria gene transfer • horizontal gene transfer • vertical gene transfer • bacterial conjugation • bacteria transduction
Cell Structure A look at the structural components of eukaryotic and prokaryotic cells and the differences between the two types of cell. eukaryote • prokaryote • eukaryotic • prokaryotic • cell
DNA: Duplicated and Homologues Sexual reproducers have 2 sets of homologous chromosomes. Cells must duplicate DNA prior to cell division. What is the distinction between duplicates and homologues? homologous duplicated chromosomes • homologue diplod • dna replication copying • replicated chromatin • somatic cell division mitosis
DNAs Selective Signature of Genes Genetic sequencing allows MIT scientists to examine natural selection through the selective signature of a gene across a range of microbial species. selective signature gene • molecular evolutionary genetics • genetic sequencing • microbial natural selection • microbe natural selection patterns
Gay Men's STDs Often Escape Notice Some gay men are avoiding recommended testing, while the testing itself does not always find patients' sexually-transmitted infections . gay men's stds • many infections undetected • sexually-transmitted infections • gonorrhea and chlamydia • hiv
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
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
Mitosis & Meiosis Difference Mitosis is how the cells of our body make more cells for growth, development and repair. Meiosis is how our body makes sex cells, or gametes (eggs or sperm). mitosis meiosis • cell division • mitotic meiotic • sex cells gametes • zygote fertilized egg
MOA of Sulfonamide Antibiotics Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do sulfonamides impact bacteria without hurting our cells? sufonamide antibiotics • sulfa drug antibiotics • sulfonamide moa • sulfa drug mode of action • sulfa antimicrobics
MOA of Tetracycline Antibiotics Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do tetracyclines destroy bacteria without hurting our cells? mode of action moa tetracycline • antibiotic drugs moa • antibiotic tetracycline • antimicrobic drug agent • antibiotic drug agent
Phosphorus, the Bringer of Light In the late 17th century, the German alchemist, Hennig Brandt heated the solid residue formed by the evaporation of urine. The distilled vapour glowed in the dark. allotropes of phosphorus • incendiary bombs • phosphorus in living organisms • calcium phosphate • phospholipids
Vitamin B-12 A basic knowledge of vitamin B12, its usage in the body, and the effects of its deficiency are discussed. vitamin b12 • pernicious anemia • intrinsic factor • cyanocobalamin
What are Viruses?: A close look at the smallest of microorganisms Viruses are everywhere and infect nearly every living thing. Even bacteria get virus infections. Click above to find out more. virus |
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