world

Urea

..., microbial disease that we've introduced into the world in quite a number of decades. Full article >>>...

Taxon

...n mind naturally organ izes its knowledge of the world into such systems. This view is often based on the epistemology of Immanuel Kant. Full article >>> Taxon omy : Class ifying Life At least 1.7 million species of living organ isms have been discovered, and the list grows longer ev...

Ribozyme

...;> Ribozyme s Information to link the RNA world to the DNA and RNA world. A summary of ribozy...ve resulted in self-replicating ribozyme s ( RNA world hypothesis ). Full article >>> For example, RNA s known as ribozyme s are capable ...

Reduction

...e potential to eliminate food shortages around the world by providing disease-, drought-, ... Full article >>> : A drastic reduction in the population size followed by an expansion. This often results in altered gene pool as a result of genetic drift . CAAT box ... Full article >...

Receptor

...m. An interesting case study in this regard is new world monkeys. Full article >>> Diploid cell s resulting from the mating of Romans and Greeks do not make any pheromones or pheromone receptor s. Full article >>> Apoptosis is often induced by activation of death recept...

Phenotype

...ded phenotype : All effects of a gene upon the world where the effects influence the survival chance of a gene [Richard Dawkins]. Extra-chromosomal inheritance ... Full article >>> By aspect of phenotype affected Morphological mutation s usually affect the outward appearance of ...

Petal

... Angiosperm s currently dominate the flora of the world -- over three fourths of all living plant s are angiosperm s. Full article >>>...

Outbreeding

... sexual reproduction is so popular throughout the world of living things is still a hotly-debated question, but the fact remains.) ... Full article >>> Some species support or force allogamy by complex mechanisms, such as genetic self-incompatibility , heterostyly, dichogamy or herkogamy...

Origin

... Centers of origin . Usually the location in the world where the oldest cultivation of a particular crop has been identified. Central dogma . Full article >>> Imprinting -- a chemical modification of a gene allele which can be used to identify maternal or paternal origin of c...

Migration

...n to trace human migration patterns around the world and identify family lineage s. An example: Native Americans ... Full article >>> migration A seasonal movement from one location to another. Milankovitch cycles Periodic variation s in tilt, eccentricity, and wobble in the earth'...

Median

... ... Full article >>> The developed world is quickly getting older, with the median age around 40 years (highest in Monaco at 45.1 years), while in the developing world, the median age is 15-20 years (the lowest in Uganda at 14.8 years). Life expectancy at birth is 77. Full article >...

Human

...es , especially one introduced to some part of the world through human action . Full article >>> As time went on, I noticed that a plethora of individuals, representing departments ranging from marketing and sales to engineering, legal, and human resources, ... Full article >>&...

Gene splicing

...process. Full article >>> Brave new world of cloning , gene splicing , in vitro fertilization , including interviews with leading environment alists and biologist s. Secondary, college. [Hawkhill Associates (800/422-4295 or 608/251-3934, hawkhill@home.com)] ... Full article >>&...

Fungi

...nes, very largely and for most people still in the world today, come from plant s or fungi or micro- organ isms. Our fossil fuels, oil, gas, coal, wood, whatever it is we use for energy comes largely from organ isms. Full article >>> Not only does this definition exclude prokaryotes ,...

Extinction

... species ; can be a normal process of the natural world as species out-compete or kill off others or as environment al conditions change. 2. Full article >>> The extinction of the Neanderthals is a perennially fascinating question for all human beings, because it's the best example w...

Express

...) Centers of origin . Usually the location in the world where the oldest cultivation of a particular crop has been identified. Full article >>> Contig uous genes -- genes physically close on a chromosome that when actin g together express a phenotype . Full article >>>...

Culture

.... Droplet - Microscopy of the Protozoa Enter the world of the fascinating and immensely diverse group of single cellular organ isms. Includes images, descriptions, taxonomy , and web resources. Full article >>> In a laboratory culture dish, normal cells grow in a single layer on the ...

Crop

...icle >>> Usually the location in the world where the oldest cultivation of a particular crop has been identified. Central dogma . Francis Crick's seminal concept that in nature genetic information generally flows from DNA to RNA to protein . Centrifugation. Full article >>...

Conservation

... and Preservation of Biome s Because we share the world with many other species of plant s and animals... conservation To protect, conserve the natural world and all its components. conservation of matter In any chemical re action , matter changes form; it...

Centers of origin

Centers of origin . Usually the location in the world where the oldest cultivation of a particular crop...) Centers of origin . Usually the location in the world where the oldest cultivation of a particular crop has been identified. Central dogma . Full arti...