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Relationship in Biological Definition

Kinesiology

... , and biomechanical . Also studied is the relationship between the quality of human movement and the ... invalidate its therapeutic value.) The relationship of applied kinesiology to kinesiology is analogous to the relationship between osteopathy (or any other "applied" ...

Molecular biology

... Contents showTocToggle("show","hide") 1 relationship to other "molecular-scale" biological sciences ... fiction and games 6 External links relationship to other "molecular-scale" biological sciences Schematic relationship between biochemistry, genetics and molecular ...

Parasitology

... the study of parasites , their hosts , and the relationship between them. As a biological discipline , the ... of parasites can reveal information about their relationship with the host (eg. influences on mortality ... identify separate species and to investigate the relationship between groups at various taxonomic scales has ...

Symbiosis

... the host. An example of mutual symbiosis is the relationship between clownfish of the genus Amphiprion ... A famous land version of symbiosis is the relationship of the Egyptian Plover bird and the crocodile ... mouth safely to hunt. For the bird's part, this relationship not only is a ready source of food, but a safe ...

Wavelength

... of x . Wavelength λ has an inverse relationship to frequency f , the number of peaks to pass a ... in air, this is the speed of sound in air. The relationship is given by: where: λ = ... = frequency of the wave For radio waves this relationship is approximated with the formula: wavelength (in ...

Archaea

... the archaebacteria and eukaryotes arose from specialized eubacteria. The relationship between Archaea and Eukarya remains an important problem. Aside from the ... genes in certain bacteria , such as Thermotoga , makes their relationship difficult to determine. Some have suggested that eukaryotes arose through ...

DNA

... or several points in its life using the information of the sequence. The relationship between the nucleotide sequence and the amino-acid sequence of the ... in 1957 , Crick laid out the " Central Dogma ", which foretold the relationship between DNA, RNA, and proteins, and articulated the "sequence hypothesis." ...

Evolution

... cellular processes, but there is no scientific consensus on the relationship of the three domains of life ( Archea , Bacteria , Eukaryota ) or the ... ancestors with other animals has also affected how some people view the relationship between humans and other species. Many proponents of animal rights hold ...

Human

... The science of linguistics describes the structure of language and the relationship between languages. There are estimated to be some 6,000 different ... among creatures in being made in the image of God , and intended for a relationship of love and obedience with God. However, it is believed, humanity's ...

Activation energy

... close enough for attractions between the molecules to cause a rearrangement of bonds. The Arrhenius equation gives the quantitative basis of the relationship between the activation energy and the rate at which a reaction proceeds. The study of reaction rates is termed chemical kinetics . The ...

Alga

... c . The latter chlorophyll type is not known from any prokaryotes or primary chloroplasts, but genetic similarities with the red algae suggest a relationship there. These groups include: Heterokonts (e.g., golden algae, diatoms, brown algae) Haptophytes (e.g., coccolithophores) ...

Anatomy

... anatomy may be approached from different points of view. From that of Medicine it consists of a knowledge of the exact form, position, size and relationship of the various structures of the healthy human body, and to this study the term descriptive or topographical human anatomy is given, though it is ...

Apoptosis

... aware, however, that the apoptotic pathways that have been summarily described are subject to regulatory mechanisms, and that there is not a 1-to-1 relationship between the reception of TNF or FasL and the complete execution of an apoptotic pathway. Fas, for instance, has been implicated - in a seemingly ...

Biology

... history of a species —which tells the characteristics of the various species from which it descended—together with its genealogical relationship to every other species is called its phylogeny . Widely varied approaches to biology generate information about phylogeny. These include the ...

Biodiversity

...conservation... then it must be taken into account in political decisions. It is beginning to receive a juridical setting. "Law and ecosystems" relationship is very ancient and has consequences on biodiversity. It is related to properties rights, private and public. It can define protection for ...

Biologist

... is a scientist devoted to and producing results in biology through the study of organisms . Typically biologists study organisms and their relationship to their environment. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms work. Biologists ...

Cell growth

... folding of the cell surface membrane in order to increase the surface area available for transport functions. Yeast cell size regulation The relationship between cell size and cell division has been extensively studied in yeast . For some cells, there is a mechanism by which cell division is not ...

Cladistics

... This cladogram shows the relationship among various insect groups. In some cladograms, the length of the horizontal lines indicates time elapsed since the last common ancestor. ...

Culture

... focus on material culture, and cultural anthropologists focus on symbolic culture, although ultimately both groups maintain interests in the relationship between these two dimensions. Moreover, anthropologists understand "culture" to refer not only to consumption goods , but to the general processes ...

Equilibrium

... desired. In various practical matters an equilibrium is useful, e.g.: in a conversation , between talking and listening ; in a personal relationship , between giving and taking ; between buying and reading books (apart from lent books). An addiction is any of various forms of ...

Evolutionary developmental biology

... of development ) is a field of biology that compares the developmental processes of different animals in an attempt to determine the ancestral relationship between organisms and how developmental processes evolved. The discovery of genes regulating development in model organisms allowed for ...

Fitness landscape

... In evolutionary biology , fitness landscapes or adaptive landscapes are used to visualize the relationship between genotypes (or phenotypes ) and replicatory success. It is assumed that every genotype has a well defined replication rate (often ...

Fungus

... drug and immobilize worms, which are then consumed. Some fungi, usually ascomycetes, live as lichens . A lichen is a very close mutualistic relationship between a fungus and a photosynthetic microorganism, usually a cyanobacterium or green alga . A lichen behaves in so many ways like a single ...

Gene

... are explained by chemical dominance relationships (more at genetics , allele ). Expression of molecular genes For various reasons, the relationship between DNA strand and a phenotype trait is not direct. The same DNA strand in 2 different individuals may result in different traits because of ...

Immunology

... located about the body. Classical immunology Classical immunology ties in with the fields of epidemiology and medicine . It studies the relationship between the body systems, pathogens and immunity. The earliest written mention of immunity can be traced back to the plague of Athens in 430 ...

Insulin

... flies feeding on the dog's urine. On testing the urine they found that the dog was secreting sugar in its urine, demonstrating for the first time the relationship between the pancreas and diabetes. In 1901 another major step was taken by Eugene Opie , when he clearly identified that Diabetes ... is ...

Kinetic energy

... series is Heat as kinetic energy Heat is a form of energy due to the total kinetic energy of molecules and atoms of matter. The relationship between heat, temperature and kinetic energy of atoms and molecules is the subject of statistical mechanics . Heat is more akin to work in that it ...

Lynn Margulis

... scientific contribution as the endosymbiotic theory of the origin of mitochondria as separate organisms that long ago entered a symbiotic relationship with eukaryotic cells through endosymbiosis . "She is best known for her theory of symbiogenesis , which challenges a central tenet of ...

Macroecology

... of macroecology include questions of species richness and the species-area curve , range size , body size and species abundance . For example, the relationship between abundance and range size (why species that maintain large local population sizes tend to be widely distributed, while species that are less ...

Marine biology

... that the well being of marine organisms and non ocean dwelling organisms is linked in some very fundamental ways. Human understanding of the relationship between life in the sea and important cycles of matter (such as the carbon cycle ) and movement of energy through ecosystems is also growing, ...

Michaelis-Menten kinetics

... max and K m . Note that this requires a series of experiments at constant E 0 and different substrate concentration [S]. History The relationship between substrate concentration and enzyme concentration was proposed in 1913 by Leonor Michaelis and Maud Menten , following earlier work by ...

Magnetic resonance imaging

... hemoglobin reduces MR signal, the vascular response leads to a signal increase that is related to the neural activity. The precise nature of the relationship between neural activity and the BOLD signal is a subject of current research. The BOLD effect also allows for the generation of high resolution 3D ...

Paternity testing

... have their own genetic material termed the mitochondrial genome . Mitochondrial DNA comes only from the mother, without any shuffling. Proving a relationship based on comparison of the mitochondrial genome is much easier than that based on the nuclear genome. However, testing the mitochondrial genome can ...

Alga

... c . The latter chlorophyll type is not known from any prokaryotes or primary chloroplasts, but genetic similarities with the red algae suggest a relationship there. These groups include: Heterokonts (e.g., golden algae, diatoms, brown algae) Haptophytes (e.g., coccolithophores) ...

Promoter

... RP(open). K = 10E-2 Diseases Associated with Aberrant Promoter Function Though OMIM is a major resource for gathering information on the relationship between mutations and natural variation in gene sequence and susceptibility to hundreds of diseases , it requires a sophisticated search strategy to ...

Protein

... secondary motifs present in one single protein molecule. Tertiary structure : the overall shape of a single protein molecule; the spatial relationship of the secondary structural motifs to one another Quaternary structure : the shape or structure that results from the union of more than one ...

Replication

... data on multiple file systems is an example for replication. Database replication is implemented, for example in MySQL, usually with a master slave relationship between the original and the copy. Updates are logged at the master and rippled through to the slave. The slave outputs a message stating the last ...

Restriction fragment length polymorphism

... gel bands differs between individuals (thus polymorphism ). This can be used to genetically tell individuals apart. It can also show the genetic relationship between individuals, because children inherit genetic elements from their parents. It is also used to determine the relationships among species . ...

Species

... of reproductive apparatus . Although his system of classification sorts organisms according to degrees of similarity, it made no claims about the relationship between similar species. At the time, it was still widely believed that there is no organic connection between species, no matter how similar they ...

Unsolved problems in biology

... Ebola hides between human outbreaks? What is the origin of antibody diversity ? What leads to the complexity of the immune system ? What is the relationship between the immune system and the brain ? Humanity : Why are there drastic changes in hominid morphology ? Why are there giant hominid ...
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