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hereditary unit consisting of a sequance of dna that occupies a specific location on a chromosome and is transcribed into an rna molecule that may function directly or be translated into an amino-acid chaim empezar lección
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are nucleic acids that along with proteins and carbohydrates constitute three major macromolecules that form a living body. empezar lección
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a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of gene empezar lección
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a cell with a true nucleus; a cell with a nuclear membrane and organelles. empezar lección
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a specialized part of a cell having some specific function; a cell organ. empezar lección
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any cellular organism that has no nuclear membrane, no organelles in the cytoplasm except ribosomes, empezar lección
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the total genetic content contained in a haploid set of chromosomes in eukaryotes, in a single chromosome in bacteria or archaea, or in the DNA or RNA of viruses. empezar lección
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the complete set of genes for an organism empezar lección
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is a polymer of two strands of nucleotides which are hydrogen bonded to form a double helix empezar lección
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a protein molecule and a biological catalyst which brings about a specific biochemical reaction in an organism. empezar lección
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stretches of DNA at the ends of chromosomes that play crucial role protecting the ends of DNA when the cell is replicating. empezar lección
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nucleid acid essential in various biological roles in coding, decoding, regulation and expression of genes. empezar lección
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an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide. empezar lección
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a varied group of illnesses that involve nearly every human organ system and in which the body’s immune system becomes misdirected and attacks the very organs it was designed to protect. empezar lección
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an organelle in the cytoplasm of cells that functions in energy production. empezar lección
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the growing of micro-organisms on a medium, such as agar, in an incubator kept at body temperature, for purposes of identification.(noun) empezar lección
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the scientific study and engineering of chemical or biological objects measuring between 1 and 1000 nanometers. Objects this small are about the size of atoms or small molecules. empezar lección
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is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants. empezar lección
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a biological preparation that provides active acquired immunity to a particular disease empezar lección
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organisms that consist of more than one cell, in contrast to unicellular organisms. empezar lección
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kind of products that are long-term and don’t decay quickly. empezar lección
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part of the circulatory system used to transport blood through the body. empezar lección
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chemical compounds, mainly proteins, accelerating chemical reactions occurring in living organisms by reducing their activation energy. They increase the rate at which chemical reactions occur without being consumed or permanently altered themselves empezar lección
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chemical substances added to food to stop it from decaying. empezar lección
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a substance (enzyme) used for making milk thicker, especially to make cheese empezar lección
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tiny living things that are found all around us and are too small to be seen by the naked eye. empezar lección
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plants that contain foreign DNA in their cells. empezar lección
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genetically modified crops
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a member of a group of people without permanent residence, moving from place to place. empezar lección
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a structural layer surrounding some types of cells, just outside the cell membrane. empezar lección
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is a cell with the unique ability to develop into specialized cell types in the body. empezar lección
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globular proteins that control biological reactions; substances produced by our bodies that help us to digest the foods we eat. empezar lección
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the process of converting waste materials into new materials and objects. It is an alternative to "conventional" waste disposal that can save material and help lower greenhouse gas emissions. empezar lección
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is the direct manipulation of the genome in humans using molecular engineering techniques. Genetic modification can be applied in two very different ways: somatic genetic modification and germline genetic modification. empezar lección
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human genetic modification
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conscious and intentional interference in the genetic material of organisms in order to change their hereditary properties. empezar lección
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sort of genetic modification that adds, cuts, or changes the genes in some of the cells of an existing person, because of a medical condition. The change is done in somatic cells and therefore not inherited. empezar lección
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somatic genetic modification
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sort of genetic modification that would change the genes in eggs, sperm, or early embryos. Modifying a germ cell causes all the organism's cells to contain the modified gene. The change is therefore heritable and passed on to later generations empezar lección
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germline genetic modification
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therapeutic gene transfer empezar lección
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is the process by which the heritable information in a gene, the sequence of DNA base pairs, is made into functional gene product, such as protein or RNA. empezar lección
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is the process by which the therapeutic genes are transferred into any cell other than a gamete, germ cell, gametocyte, or undifferentiated stem cell. Any such modifications affect the individual patient only, and are not inherited. empezar lección
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somatic cell gene therapy
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is the process by which germ cells are modified for therapeutic reasons by the introduction of functional genes into their genomes. Modifying a germ cell causes all the organism's cells to contain the modified gene empezar lección
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is the smallest part of living structure that can operate as an independent unit empezar lección
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the chemical break down of a substance by bacteria, yeasts or other microorganisms; extraction of energy from carbohydrates in the absence of oxygen; metabolic process that produces chemical changes in organic substrates by the action of enzymes empezar lección
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a chemical used to kill pests, especially insects empezar lección
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it's a combination of two different elements using chemical bond empezar lección
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a group of atoms bonded together representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. empezar lección
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is a type of wastewater that is produce by community of people empezar lección
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a membrane-bound organelle found in eukaryotic cells, chich contains cell’s genome (except for mitochondrial DNA) empezar lección
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is a small DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently; circular DNA molecule found in bacteria and other cells. empezar lección
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plants that have been genetically engineered and contain foreign DNA in their cells. empezar lección
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plants that are grown up by humans for food and other resources empezar lección
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is a common laboratory technique used to make many copies (millions or billions!) of a particular region of DNA. empezar lección
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polymerase chain reaction(PCR)
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a short sequence of nucleotides that provides a starting point for DNA synthesis in PCR empezar lección
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are short pieces of single-stranded DNA, usually around 20 nucleotides in length empezar lección
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an enzyme which brings about the formation of a particular polymer, especially DNA or RNA. empezar lección
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any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil. empezar lección
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a compound that consist of a ribose or deoxyribose sugar, nitrogen bases and a phosphate, it is a basic structural unit of nucleic acids empezar lección
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one of the four nitrogen bases, combines with thymine empezar lección
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one of the four constituent bases of nucleic acids. It is paired with cytosine in double-stranded DNA. empezar lección
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a compound which is one of the four constituent bases of nucleic acids. The symbol is ‘T’ and combines with adenine. empezar lección
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an organic chemical compound, one of the pyrimidine bases found in DNA and RNA as an element of nucleotides. It forms a pair with guanine. empezar lección
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an illness, which is not very serious, typically a minor one empezar lección
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a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms. empezar lección
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an odourless, tasteless white substance occurring widely in plant tissue and obtained chiefly from cereals and potatoes. empezar lección
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a type of gram-negative bacteria that lives naturally in soil. It has the unique ability to transfer its DNA to plants. empezar lección
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the first step in gene expression, by which the information in a strand of DNA is copied into a new molecule of messenger RNA. empezar lección
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is a biological preparation that provides active acquired immunity to a particular infectious disease. empezar lección
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is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. empezar lección
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is a form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections empezar lección
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is how your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful. empezar lección
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chemical substance produced naturally by living organisms, such as microorganisms like bacteria or fungi or obtained synthetically empezar lección
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the ability to actively and passively protect the body against pathogens empezar lección
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happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them empezar lección
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the process of circulating blood throughout the body, providing water and nutrients to the tissues empezar lección
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a substance that acts locally, on the epidermis or systemically, when the drug substance enters the blood empezar lección
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a toxin or other foreign substance that induces immune response in the body empezar lección
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long lasting immunity that occurs when an individual produces antibodies to a disease empezar lección
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short-term immunity achieved by transfer of antibodies empezar lección
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type of incomplete oxidation of carbohydrates yielding carbon dioxide and alcohol or organic acids and an amount of energy(ATP) that is being converted by microorganisms - bacteria processing this process. empezar lección
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the action of purifying a liquid by a process of heating and cooling empezar lección
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a disaccharide sugar that is found most notably in milk and is formed from galactose and glucose empezar lección
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a type of fungus to use for producing alcohol in beer and wine and for making bread rise empezar lección
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the liquid remaining after milk has been curdled and strained empezar lección
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a substance that provides nourishment for growth or metabolism empezar lección
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the solid substance which forms when milk turns sour empezar lección
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any one of various liquids for drinking, usually exluding water empezar lección
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a plant that produces grain, used as food for people and animals empezar lección
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