Classic in Biological Definition

Anabolism

... classified many of the hormones as anabolic or catabolic. classic anabolic hormones include Growth hormone IGF1 and other insulin-like growth factors Insulin Testosterone Estrogen classic catabolic hormones include Cortisol Glucagon Adrenalin and ...

Anabolism

... classified many of the hormones as anabolic or catabolic. classic anabolic hormones include Growth hormone IGF1 and other insulin-like growth factors Insulin Testosterone Estrogen classic catabolic hormones include Cortisol Glucagon Adrenalin and ...

Drug

... Stone Age to the Stoned Age (1999) ISBN 0892818263 Phantastica: A classic Survey on the Use and Abuse of Mind-Altering Plants (1998) ISBN ... Poisons, and Herbcraft (1995) ISBN 1562790692 Plant Intoxicants: A classic Text on the Use of Mind-Altering Plants (1994) ISBN 0892814985 The ...

Karyotype

... of survival. Contents showTocToggle("show","hide") 1 classic karyotype 2 Spectral karyotype (SKY technique) 3 See also 4 External links classic karyotype In the "classic" (depicted) karyotype, a dye , often ...

Paleontology

... and the study of evolution of lifeforms. Paleontology utilizes the same classic binomial nomenclature scheme devised for the biology of living things by ... "Modern Synthesis" of evolutionary biology; his book "Tempo and Mode" is a classic in the field. Prominent names in invertebrate paleontology include Steven ...

Charles Darwin

... prove to be the most controversial and discussed scientific book ever written. Orchids, Variation, Descent of Man and Worms The classic image of Darwin as an old man See Darwin from Orchids to Variation and Darwin from Descent of Man to Worms for detail of this period. ...

Evolution

... its natural environment and can accumulate over time, which might result in what is known as punctuated equilibrium , the modern interpretation of classic evolutionary theory. Most biologists believe that adaptation occurs through the accumulation of many mutations of small effect. However, ...

Flagellum

... nomenclature of pili and protein secretion systems is not consistent). These differences mean that the bacterial and archaeal flagella are a classic case of biological analogy , or convergent evolution, rather than homology . However, in comparison to the decades of well-publicized study of ...

Homunculus

... reflection' that are not universally accepted and use these contentiously to declare that a theory of mind is invalid. Pop culture In the classic horror film Bride of Frankenstein , Dr. Frankenstein's old teacher, Dr. Praetorius, shows him his own creations, a series of miniature humanoids ...

Keratin

... Microscopic view of stained keratin. Keratin is a protein used by numerous groups of animals as a structural element, and is a classic example of a fibrous protein . Keratin is a tough, insoluble protein found in the outer layer of the skin of human beings and many other ....

Limnology

... A.J.Horne & C.R. Goldman : Limnology (1994), ISBN 0070236739 G. E. Hutchinson , A Treatise on Limnology , 3 vols. (1957-1975) - classic but dated H.B.N. Hynes , The Ecology of Running Waters (1970) Jacob Kalff , Limnology (Prentice Hall , 2001) B. Moss , Ecology of Fresh ...

Macroecology

... study of the properties of the system as a whole; Kevin Gaston and Tim Blackburn make the analogy to seeing the forest for the trees (literally). classic ecological questions amenable to study through the techniques of macroecology include questions of species richness and the species-area curve , ...

Molecular evolution

... its natural environment and can accumulate over time, which might result in what is known as punctuated equilibrium ; the modern interpretation of classic evolutionary theory. Causes of change in allele frequency Main article: Population genetics There are four known processes that affect ...

Paraphyletic

... case the latter is used. Many of the older classifications contain paraphyletic groups, especially the traditional 2-6 kingdom systems and the classic division of the vertebrates . For example, the class Reptilia as traditionally defined is paraphyletic because that class does not include two ...

Secondary structure

... Features. Biopolymers 22: 2577-2637 (1983). M. Zuker "Computer prediction of RNA structure", Methods in Enzymology , 180:262-88 (1989). (The classic paper on dynamic programming algorithms to predict RNA secondary structure.) L. Pauling and R.B Corey. Configurations of polypeptide chains ...

Signal transduction

... a growth factor . This behaviour is called crosstalk . RXR- and orphan-receptors These nucleric receptors can be activated by a classic endocrine-synthesized hormone that entered the cell by diffusion. a hormone that was build within the cell (for example, retinol ) from a ...