Organ

organelle: n. (Biol.) a specialized part of a cell performing a specific function, usually visible under the microscope as a distinct object; it is analogous to an organ{2}, but on a microscopic scale.
Syn. -- cell organ.
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organic
a term applied to molecules containing carbon, except those that are derivatives of carbon dioxide; practically all organic molecules contain carbon atoms linked together ...
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Plant organs can be divided into vegetal and reproductive. Vegetal plant organs are root, stem and leaf, while reproductive are flower, seed and fruit.
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Organ systems ...
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Organic molecules are molecules that contain carbon and hydrogen.
All living things contain these organic molecules: carbohydrates, lipids, proteins, and nucleic acids.
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Organizing the Embryo: The Central Nervous System
In the embryonic development of a zygote, gradients of mRNAs and proteins, deposited in the egg by the mother as she formed it, give rise to cells of diverse fates despite their identical genomes.
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[Gr. organon - organ; Gr. genesis - origin, descent]. Formation of organs in the developing embryo.
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Morgan was born in Lexington, Kentucky. Morgan received his bachelor's degree from the University of Kentucky in 1886 and his master's degree in 1888. The Thomas Hunt Morgan School of Biological Sciences at the University of Kentucky is named for Dr.
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Organ Systems of the Body A health-related view of the body organ systems.
How the Body Works A Canadian site with way cool "fig" leaves!
Homeostasis A collection of links dealing with organ systems and homeostasis.
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An organism whose genome has been modified by introduction of novel DNA.
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Model Organism Research
Most mapping and sequencing technologies were developed from studies of nonhuman genomes, notably those of the bacterium Escherichia coli, the yeast Saccharomyces cerevisiae, the fruit fly Drosophila melanogaster, ...
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Well, the organic spores, I'm not really familiar with how they use those, because they don't use them a lot in this particular area because of the lower incidence of corn borer.
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This is illustrated clearly by the nematode worm Caenorhabditis elegans, which was the first multicellular organism to have its entire genome sequenced.
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A measure of genetic distance that tells how far apart two genes are. Generally one centimorgan equals about 1 million base pairs.
explained:
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Organic nutrients. Nutrients in the form of molecules synthesized by or originating from other organisms
Osmoconformer. An organism whose body fluids change directly with a change in the concentrations of dissolved ions in the external medium ...
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Organisms whose individuals produce only one type of gamete; i.e. humans (either male or female). See monoecious.
Related Terms: Gamete
Mature male or female reproductive cell (sperm or ovum) with a haploid set of chromosomes (23 for humans).
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Organisms have two alleles for each trait. When the alleles of a pair are heterozygous, one is dominant and the other is recessive. The dominant allele is expressed and the recessive allele is masked.
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organ of Corti
The actual hearing organ of the vertebrate ear, located in the floor of the cochlear canal in the inner ear; contains the receptor cells (hair cells) of the ear.
organelle ...
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Organisms that have had foreign DNA stably integrated into their genome.
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Organelles probably evolved from endosymbionts by gradual loss of genes to the nucleus. A possible scenario: ...
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organ -- Collection of tissues which performs a particular function or set of functions in an animal or plant's body. The heart, brain, and skin are three organs found in most animals. The leaf, stem, and root are three organs found in most plants.
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Organisms are not passive targets of their environment. Each species modifies its own environment. At the least, organisms remove nutrients from and add waste to their surroundings. Often, waste products benefit other species.
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Organism whose cells have:
a distinct nucleus,
multiple chromosomes, and
a myotic cycle.
This classification includes animals, plants, and fungi.
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organelles: microscopic bodies within the cytoplasm that perform distinct functions.
osmosis: the movement of water molecules across a membrane from a region of high concentration to a region of low concentration.
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organic Living or once living material; compounds containing carbon formed by living organisms.
organic compound A molecule that contains carbon, hydrogen, and usually oxygen.
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organic. A material (e.g. pesticide) whose molecules contain carbon and hydrogen atoms. Also may refer to plants or animals which are grown without the use of synthetic fertilizers or pesticides.
outer bark. In older trees, the dead part of the bark.
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organogenesis - creation of specific tissues and bodily organs by cell interaction and rearrangement following gastrulation.
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Organelle. A cell structure that carries out a specialized function in the life of a cell.
Origin of replication. The nucleotide sequence at which DNA synthesis is initiated.
OSHA. See Occupational Safety and Health Administration.
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organogenesis
An early period of rapid embryonic development in which the organs take form from the primary germ layers.
origin
The less movable attachment point of a muscle.
Covered in Lab 15 Rat Muscular and Digestive Systems ...
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: Organisms (fungi, algae, plants) that can only undergo sexual reproduction with another bearing a different mating/compatibility type (
self-incompatible
). See also
homothallic
.
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Organelle the "body parts" within a cell
(organum = an instrument implement engine; -elle = small)
OrientalRealm the biogeographical realm consisting of India and southeast Asia
(orient(al) = rising east) ...
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Cell organelles
Identify structure and function for a variety of organelles
- ...
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Centimorgan (cM): A unit of measure of the statistical probability recombination frequency between alleles.
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Pest: An organism that interferes with human activities, property, or health, or is objectionable.
Pest management: see Integrated pest management.
Pesticide: A substance that is used to kill, debilitate, or repel a pest.
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An organism that is different from other organisms of the same species due to genetic differences.
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anaerobe - organism that wants very little or no oxygen
autotrophs - organisms that need no preformed organic foods
bacterial endospores - see endospores ...
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Chromosome organized in nucleosomes composed of histones and other protein factors.
Related
Chromosome ...
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A group of organisms is said to have common descent if they have a common ancestor. All existing organisms on Earth are descended from a common ancestor or ancestral gene pool.
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Highly pleiomorphic organelle of eukaryotic cells that varies from short rod-like structures present in high number to long branched structures. Contains DNA and mitoribosomes.
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Mitochondria
Small organelles in the cell where energy from electron transport between molecules is converted into energy for biological activity. Mitochondria also possess their own genome, which is inherited maternally.
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Base sequence -- a partnership of organic bases found in DNA and RNA; adenine forms a base pair with thymine (or uracil) and guanine with cytosine in a double-stranded nucleic acid molecule.
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pentose phosphate pathway A pathway involved in the oxidation of glucose and is a source of reducing equivalents (NADPH) and pentoses for biosynthetic processes; present in most organisms.
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Sometimes used to refer to only the assemblage of populations of a particular class of organisms, such as the bird community, the herb community, and so forth.
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Homonym One of two or more scientific names that are identical but pertain to different organisms, e.g., Eriococcus mancus Ferris, 1955 and Eriococcus mancus (Maskell, 1897); Onceropyga Ferris, 1955 and Onceropyga Turner, 1904.
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Animal - kingdom composed of multicellular organisms divided into two divisions: vertebrates and invertebrates, who obtain their food from external sources and reproduce sexually or asexually ...
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Mitochondrial DNA Mitochondria, and chloroplasts in plants, carry their own small chromosomes, usually in multiple copies per organelle. These carry a limited number of genes which code for rRNA, tRNA and a few organelle proteins.
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CODON BIAS - The tendency for an organism or virus to use certain codons more than others to encode a particular amino acid. An important detrminant of codon bias is the guanosine-cytosine (GC) content of the genome.
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Genome: The total DNA contained in each cell of an organism. Mammalian genomic DNA (including that of humans) contains 6x109 base pairs of DNA per diploid cell.
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Bacteria: Tiny one-celled organisms.
Bases: The molecular building blocks of DNA and RNA: adenine, cytosine, guanine, thymine, and (in RNA only) uracil. In DNA, A attaches only to T, and C attaches only to G.
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infection - growth of an organism within the body
lymphocytes - are central to all adaptive immune responses, since they specifically recognize individual pathogens, whether they are inside host cells or outside in the tissue fluids or blood.
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Gene: An ordered sequence of nucleotides which act as the functional subunit of hereditary information. The collection of genes in an organism determine the characteristics of that organism.
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A procedure in which, at low temperature, the cellular water of, for example, cryofixed material is replaced by a series of organic solvents, including chemical fixative.
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