eukaryote - Article Index

Encyclopedia - Central Dogma Of Molecular Biology: Encyclopedia - Central Dogma Of Molecular Biology
The central dogma of molecular biology was first enunciated by Francis Crick in 1958 and re-stated in a Nature paper published in 1970. T...   » Read the article

Encyclopedia - Prokaryote: Encyclopedia Ii - Prokaryote - Structure
The cell structure of prokaryotes differs greatly from eukaryotes in many ways. The defining characteristic is, of course, the absence of...   » Read the article

Encyclopedia - Saccharomyces Cerevisiae: Encyclopedia - Saccharomyces Cerevisiae
Saccharomyces cerevisiae is a species of budding yeast. It is perhaps the most relevant yeast for mankind, both for its use since ancient...   » Read the article

Encyclopedia - Astrosociobiology: Encyclopedia - Astrosociobiology
Astrosociobiology (also referred to as exosociobiology and xenosociology) is the speculative scientific study of extraterrestrial civiliz...   » Read the article

Encyclopedia - Prokaryote: Encyclopedia Ii - Prokaryote - Evolution Of Prokaryotes
Main article Evolution of prokaryotes It is generally accepted that the first living cells were some form of prokaryote. Fossilized proka...   » Read the article

Encyclopedia - Embryo: Encyclopedia - Embryo
An embryo (Greek: έμβρυον) is a diploid eukaryote in its earliest stage of development. In organisms that reproduce sexually, once...   » Read the article

Encyclopedia - Prokaryote: Encyclopedia Ii - Prokaryote - Evolution Of Prokaryotes
It is generally accepted that the first living cells were some form of prokaryote. Fossilized prokaryotes 3.5 billion years old have been...   » Read the article

Encyclopedia - Geyser: Encyclopedia Ii - Geyser - Types Of Geyser
There are two types of geyser; Fountain geysers erupt from pools of water, typically in a series of intense, even violent, bursts; and co...   » Read the article

Encyclopedia - Genetics: Encyclopedia Ii - Genetics - History
In his paper "Versuche über Pflanzenhybriden" ("Experiments in Plant Hybridization"), presented in 1865 to the Brunn Natural History Soc...   » Read the article

Encyclopedia - Magnetotactic Bacteria: Encyclopedia Ii - Magnetotactic Bacteria - Introduction
The first description on this class of bacteria appeared 1963 in a publication of the Istituto di Microbiologia of University of Pavia wr...   » Read the article

Encyclopedia - Dna Barcoding: Encyclopedia Ii - Dna Barcoding - Case Studies
DNA barcoding - Identification of Birds. In an effort to find a correspondence between traditional species boundaries established by ta...   » Read the article

Encyclopedia - History Of Genetics: Encyclopedia Ii - History Of Genetics - Mendel
In 1865 an Austrian monk Gregor Mendel first traced inheritance patterns of certain traits in pea plants and showed that they obeyed simp...   » Read the article

Encyclopedia - Genomics: Encyclopedia Ii - Genomics - History
Genomics appeared in the 1980s and took off in the 1990s with the initiation of genome projects for several species. The related field of...   » Read the article

Encyclopedia - Mitochondrial Genetics: Encyclopedia Ii - Mitochondrial Genetics - The Mitochondrial Genome
Mitochondrial DNA (mtDNA) is present in mitochondria as a circular molecule and in most species codes for 13 or 14 proteins involved in t...   » Read the article

Encyclopedia - Astrosociobiology: Encyclopedia Ii - Astrosociobiology - Possible Extraterrestrial Characteristics
Given these assumptions, astrosociobiologists attempt to make predictions about those characteristics that may be common to all extraterr...   » Read the article

Encyclopedia - Genetics: Encyclopedia Ii - Genetics - History
In his paper "Versuche über Pflanzenhybriden" ("Experiments in Plant Hybridization"), presented in 1865 to the Brunn Natural History Soc...   » Read the article

Encyclopedia - Central Dogma Of Molecular Biology: Encyclopedia Ii - Central Dogma Of Molecular Biology - Alterations To The Central Dogma
In his 1970 paper on the subject, Crick pointed out that the central dogma, while useful as a theory to guide experiment, was not to be t...   » Read the article

Encyclopedia - Mating Of Yeast: Encyclopedia Ii - Mating Of Yeast - Determining Cell Type
The cell type is dependent on a single gene locus, called MAT, which regulates the expression of a set of genes. MAT has three segemts, i...   » Read the article

Encyclopedia - Plastid: Encyclopedia Ii - Plastid - Plastids In Plants
In plants, plastids may differentiate into several forms, depending upon which function they need to play in the cell. Undifferentiated p...   » Read the article

Encyclopedia - Plastid: Encyclopedia Ii - Plastid - Origin Of Plastids
Plastids are thought to have originated from endosymbiotic cyanobacteria. Due to a split-up into three evolutionary lineages, the plastid...   » Read the article

Encyclopedia - Mitochondrial Genetics: Encyclopedia Ii - Mitochondrial Genetics - Relevance
Because they provide 36 molecules of ATP per glucose molecule in contrast to the 2 ATP molecules produced by glycolysis, mitochondria are...   » Read the article

Encyclopedia - Mating Of Yeast: Encyclopedia Ii - Mating Of Yeast - The Importance Of A And α Mating Types
The key differences between the a and α mating types are: a type cells produce the a pheromone and the α receptor α type cells produc...   » Read the article

Encyclopedia - Mating Of Yeast: Encyclopedia Ii - Mating Of Yeast - The Life Cycle Of Yeast
There are two forms in which yeast cells can survive and grow, haploid and diploid. The haploid cells undergo a simple life cycle of mito...   » Read the article

Encyclopedia - Mitochondrial Genetics: Encyclopedia Ii - Mitochondrial Genetics - Mitochondrial Replication Repair Transcription And Translation
Mitochondrial replication is controlled by chromosomes in the nucleus and is specifically suited to make as many mitochondria as that par...   » Read the article

Encyclopedia - Geyser: Encyclopedia Ii - Geyser - Geysers On Triton
One of the great surprises of the Voyager 2 flyby of Neptune in 1989 was the discovery of geysers on its moon, Triton. Astronomers notice...   » Read the article

Encyclopedia - Genetics: Encyclopedia Ii - Genetics - Areas Of Genetics
Genetics - Classical genetics. Main articles: Classical genetics, Mendelian inheritance Classical genetics consists of the techniques...   » Read the article

Encyclopedia - Genomics: Encyclopedia Ii - Genomics - Comparative Genomics
Main article: Comparative genomics Comparison of genomes has resulted in some surprising biological discoveries. If a particular DNA sequ...   » Read the article

Encyclopedia - Astrosociobiology: Encyclopedia Ii - Astrosociobiology - Civilization Types
A method for classifying civilization types was introduced by Russian astronomer Nikolai Kardashev in 1964. Known as the Kardashev scale,...   » Read the article

Encyclopedia - Astrosociobiology: Encyclopedia Ii - Astrosociobiology - Assumptions
In order for astrosociobiologists to embark on speculations about the condition and characteristics of extraterrestrial civilizations, a ...   » Read the article

Encyclopedia - Astrosociobiology: Encyclopedia Ii - Astrosociobiology - Methodologies
Sociobiology attempts to explain animal behavior, group behavior and social structure in terms of evolutionary advantage or strategy and ...   » Read the article

Encyclopedia - Genomics: Encyclopedia Ii - Genomics - Genetic Similarity
It is often stated that a particular organism shares X percent of its DNA with humans. This number indicates the percentage of base pairs...   » Read the article

Encyclopedia - Geyser: Encyclopedia Ii - Geyser - Eruptions
Geyser activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock h...   » Read the article

Encyclopedia - Magnetotactic Bacteria: Encyclopedia Ii - Magnetotactic Bacteria - Magnetosomes
The biomineralisation of the magnetite is brought about by the regulating mechanisms of the concentration of iron, by the nucleation of c...   » Read the article

Encyclopedia - History Of Genetics: Encyclopedia Ii - History Of Genetics - Classical Genetics
The significance of Mendel's work was not understood until early in the twentieth century, after his death, when his research was re-disc...   » Read the article

Encyclopedia - Geyser: Encyclopedia Ii - Geyser - Misnamed Geysers
In a number of places where there is geothermal activity wells have been drilled and fitted with impermeable casements that allow them to...   » Read the article

Encyclopedia - Geyser: Encyclopedia Ii - Geyser - Numbers And Distribution
Geysers are quite rare, requiring a combination of water, heat, and fortuitous plumbing. The combination exists in few places on Earth. T...   » Read the article

Encyclopedia - Magnetotactic Bacteria: Encyclopedia Ii - Magnetotactic Bacteria - Applications
The unique characteristics of BMP permit practical uses in a variety of fields, improving upon older techniques and introducing completel...   » Read the article