Practice in Biological Definition

Polymerase chain reaction

... 1 History 2 Patent wars 3 PCR in practice 3.1 Primers 3.2 Procedure 3.3 ... Taq polymerase is widely used in current PCR practice (May 2004). A disadvantage of Taq is that it ... in 1992 and currently holds them. PCR in practice Figure 1 : PCR machine PCR is ...

Carolus Linnaeus

... views on the importance of natural motherhood. He campaigned against the practice of wet-nursing, declaring that even aristocratic women should be proud to ... botanical garden may still be seen in Uppsala . He originated the practice of using the ♂ - (shield and arrow) Mars and ♀ - (hand ...

Eugenics

... programs in ancient times include the city of Sparta 's mythological practice of leaving weak babies outside of city borders to die. But it was ... best known recent cases of attempting to implement a form of eugenics in practice was a "genius sperm bank" (1980-1999) created by Robert Klark Graham , ...

Antibiotic

... resistance . In the United States, a vast quantity of antibiotics is routinely included as low doses in the diet of healthy farm animals, as this practice has been proved to make animals grow faster. Opponents of this practice, however, point out the likelihood that it also leads to antibiotic ...

Diabetes mellitus

... Medical Guidelines for the Management of Diabetes Mellitus: The AACE System of Intensive Diabetes Self-Management2002 Update. Endocrine practice Vol. 8 (Suppl. 1) January/February 2002. See also list of terms associated with diabetes list of celebrities with diabetes ...

Edward Jenner

... Grammar School , where one of the school 'houses' was named after him in later years to commemorate his achievements. In Jenner's time, the practice of smallpox inoculation was commonplace in England. However it had two major disadvantages: it was dangerous, and until the infection from ...

Hermaphrodite

... rapidly. Unlike other fishes, hamlets seem quite at ease mating in front of divers, allowing observations in the wild to occur readily. They do not practice self fertilization, but when they find a mate, the pair takes turns between which one acts as the male, and which acts as the female, through ...

Human

... by shamans or priests , who are usually seen as possessing spiritual powers greater than or external to the normal human experience. The practice of head shrinking as found in some cultures derives from an animistic belief that one's war enemies, if the spirit is not trapped within the head, ...

Ichthyology

... variety; while most species have probably been found and described, there is much that is still not known about biology and behavior. The practice of ichthyology is closely connected with marine biology , limnology , and oceanography . Contents showTocToggle("show","hide") 1 ...

Lichen

... Ascomycota —rarely a member of the Basidiomycota . Some lichen taxonomists place lichens in their own division, the Mycophycophyta , but this practice ignores the fact that the components belong to separate lineages. The algal cells contain chlorophyll , permitting them to live in a purely ...

Marcello Malpighi

... 4 Some of Malpighi's important works 5 Reference 6 External links Academic career In 1656 Malpighi received a chair of medical practice in the university, three years after he had applied for it, and later the same year University of Pisa created a chair of theoretical medicine for ...

Operator

... , in which for example addition , say, is thought of as a single operator able to act on numbers, vectors, matrices ... . Operators are often in practice just partial functions , a common phenomenon in the theory of differential equations since there is no guarantee that the derivative of a ...

Rudolf Steiner

... medical products worldwide. In 1924, a lecture to a group of farmers concerned about the destructive trend of "scientific farming" originated the practice of biodynamic agriculture , which is now practiced throughout much of Europe, North America, and Australasia. This is not quite the same as the more ...

Sociobiology

... on nonaltruists at the expense of their own kind, the altruists tend to die out and the others tend to grow. In other words, altruists must practice the ethic that "charity begins at home." An important concept in sociobiology is that temperamental traits within a gene pool and between gene ...

Twin

... embryos into the uterus in order to increase the success rate of in vitro fertilisation (IVF). Twin studies Twin studies refers to the practice of assessing identical twins for medical, genetic, or psychological studies to try to find innate similarities and differences. Twins that have been ...