Apoptosis
... spectacularly. In addition to its importance as a
biological phenomenon, defective apoptotic processes have ... of genes that play an important role in diverse
biological processes, including cell growth and death, ... H. Wyllie and A. R. Currie: "Apoptosis: a basic
biological phenomenon with wide-ranging implications in ...
Reproduction
... is perhaps most commonly used in the context of
biological reproduction and sex :
Sexual reproduction is a
biological process by which organisms create descendants ... male and female.
Asexual reproduction is a
biological process by which an organism creates a ...
Biology
... physics in that it does not usually describe
biological systems in terms of objects which obey immutable ... . Indeed, it is one of the reasons that
biological organism exhibit the striking similarity of units ... and its environment . One of the reasons that
biological systems can be difficult to study is that there ...
Biodiversity
... Biodiversity or
biological diversity is a neologism and a portmanteau ... of biodiversity, is not so simple.
The term
biological diversity, was coined by Thomas Lovejoy in ... 1986, in a report for the first American Forum on
biological diversity organized by the National Research ...
Bioinformatics
... , statistics , and computer science to solve
biological problems. Research in computational biology ... from noisy data produced by high-throughput
biological techniques. (The field of data mining overlaps ...
2.3 Structure prediction
2.4 Modeling
biological systems
2.5 Other applications
3 ...
Biological psychology
...
biological psychology may be looked at as a hybrid of neuroscience and psychology . Practitioners of
biological psychology may use their knowledge of the brain ... Others may use this knowledge to search for
biological causes for common mental illnesses, such as ...
Biotechnology
... the one formulated by the UN Convention on
biological Diversity is one of the broadest:
Biotechnology is any technological application that uses
biological systems, living organisms, or derivatives ... activities ( bioremediation ), and produce
biological weapons .
There are also applications of ...
Biophysics
... Biophysics (also
biological physics ) is an interdisciplinary science that ... research today comprises a number of specific
biological studies, which do not share a unique identifying ... mechanical limbs and nanomachines to regulate
biological functions. Nowadays, these are more commonly ...
Brain
... stress disorder , are now recognized as having a
biological basis in the brain. These disease can be treated ... successful. Creating an algorithm to mimic a
biological brain is extremely difficult because the brain is ... to create an electronically-controlled
biological "ratbot" that could go in dangerous places.
...
Cloning
... identical copy of an original. A clone in the
biological sense, therefore, is a single cell (like ... is a genuine example of cloning in the broader
biological sense, as it creates genetically identical organisms by
biological means, but this particular kind of cloning has ...
Bioinformatics
... , statistics , and computer science to solve
biological problems. Research in computational biology ... from noisy data produced by high-throughput
biological techniques. (The field of data mining overlaps ...
2.3 Structure prediction
2.4 Modeling
biological systems
2.5 Other applications
3 ...
Culture
... of human evolution. They were also wary of using
biological evolution to explain differences between specific ... or legitimized forms of, racism . They believed
biological evolution would produce a most inclusive notion ... taught, they began to develop independently of
biological evolution (in other words, one human being can ...
Ebola
...
Bioterrorism , or use of the Ebola virus as a
biological weapon , is a common fear of people who know ... do say that altering the Ebola virus for
biological warfare is possible although unlikely. The ...
In his book Biohazard , former Soviet
biological warfare researcher Ken Alibek claimed that the ...
Electrophysiology
... that pertains to the flow of ions in
biological tissues and, in particular, to the electrical ... Classically, electrophysiologists watched
biological currents/voltages on an oscilloscope and ... composition of the oxidized components inside of
biological solution being studied. It is typically employed ...
Homeostasis
... feedback
2 Ecological homeostasis
3
biological homeostasis
3.1 Homeostasis in the human ...
The term is most often used in the sense of
biological homeostasis. homeo- similar or same. stasis- ... to the external environment.
Many ecological ,
biological , and social systems are homeostatic. They ...
Human
... to a small group, typically including his closest
biological relatives: his mother , father , and siblings ... , determinism , social determinism and
biological determinism ).
There is debate about the extent ... 39 : 57-106. [13] (pdf)
Robin, Ashley. 1991.
biological Perspectives on Human Pigmentation . Cambridge: ...
Ion channel
... are present in the membranes that surround all
biological cells . By conducting and controlling the flow of ...
1 Basic features
2
biological role
2.1 Diversity and activation
... force, depending on the variety of channel.
biological role
Because "voltage-gated" channels underlie ...
Lipid
... water-insoluble or nonpolar compounds of
biological origin, including waxes , fatty acids , ... While phospholipids are the major component of
biological membranes, other lipid components like ... in animal cell membranes) are also found in
biological membranes.
In an aqueous milieu, the heads of ...
Mathematical biology
... academic study which aims at modelling natural,
biological processes using mathematical techniques and ... both practical and theoretical applications in
biological research.
Contents ... and carcinogenesis [2]
Mechanics of
biological tissues [3]
Theoretical enzymology and ...
Molecular biology
... It is concerned particularly with the forms of
biological molecules and ... is predominantly ...
1 Relationship to other "molecular-scale"
biological sciences
2 Techniques of molecular biology ...
Relationship to other "molecular-scale"
biological sciences
Schematic relationship between ...
Magnetic resonance imaging
... niche applications outside of the medical and
biological fields such as rock permeability to hydrocarbons ... MRI measures the diffusion of water molecules in
biological tissues. Following an ischemic stroke , brain ... naturally move according to Brownian motion . In
biological tissues however the diffusion is very often ...
Natural selection
... also that the above law need not apply solely to
biological organisms; it applies to all organisms that ... does not rule out selection occurring at all
biological levels (e.g. gene, organism, group). Finally, ... humans or their built environments are somehow
biological or inevitable - Social Darwinism . Others held ...
Polymerase chain reaction
... Polymerase Chain Reaction (PCR) is a molecular
biological technique for amplifying (creating multiple ... or yeast . PCR is commonly used in medical and
biological research labs for a variety of tasks, such as the ... proteins--for example, medicines or enzymes in
biological washing powders. The incorporation of an affinity ...
Protein
... several similar structures in performing their
biological function. In the context of these functional ... conformation, each conformation has its own
biological activity and only one conformation is considered ... (see integral membrane protein ). Nearly all the
biological catalysts known as enzymes are proteins. ...
Reproduction
... is perhaps most commonly used in the context of
biological reproduction and sex :
Sexual reproduction is a
biological process by which organisms create descendants ... male and female.
Asexual reproduction is a
biological process by which an organism creates a ...
Sociobiology
... critics had greatly overstated the degree of his
biological determinism. Wilson's claims that he had never ... are memes . Sociobiology is concerned with the
biological basis of human behaviours, while memetics treats humans as products not only of
biological evolution, but of cultural evolution also.
...
Species
...
1 Definitions of species
2 Importance in
biological classification
3 Implications of assignment ... and still retains an important place within the
biological sciences, particularly in the case of plants.
The
biological species or isolation species concept ...
Selective serotonin reuptake inhibitor
... were specifically designed while considering the
biological causes of depression. SSRIs are frequently ... not well understood
Some say that the supposed
biological causes of depression, which SSRIs were designed ... of ... There is no blood or other
biological test to ascertain the presence or absence of a ...
Systems biology
... is an academic field that seeks to integrate
biological data as an attempt to understand how
biological systems function. By studying the relationships and interactions between various parts of a
biological system (e.g. organelles , cells , ...
Virus
... This article is concerned with virus as a
biological infectious particle; for other uses of the term ... in the article Plural of virus . A list of
biological viruses has also been prepared.
A virus is a small particle that infects cells in
biological organisms. Viruses are obligate intracellular ...
Carbohydrate
... hydrates of carbon ) are chemical compounds that act as the primary
biological means of storing or consuming energy , other forms being fat and ... modification . Polysaccharides represent an important class of
biological polymer . Examples include starch , cellulose and chitin .
...
Carolus Linnaeus
... its name.
Linnaean taxonomy
Although taxonomists, in almost any
biological field, are familiar with the work of Carolus Linnaeus, his contribution to ... : the system of scientific classification now widely used in the
biological sciences .
The Linnaean system classified living things within a ...
Colchicine
...
1 History
2 Pharmacology
2.1
biological function
2.2 Colchicine as medicine
2.3 Toxicity
2.4 Laboratory ... linked to it binding with the protein tubulin.
Pharmacology
biological function
The molecular formula of colchicine is C 22 H 25 N O 6 . ...
DNA
... acid which is capable of carrying genetic instructions for the
biological development of all cellular forms of life and many viruses . DNA is ... helix twists 360 per 10.6 bp in the absence of strain. But many molecular
biological processes can induce strain. A DNA segment with excess or insufficient ...
Drosophila
... Drosophila " are often used synonymously with D. melanogaster in modern
biological literature. This article however deals with the whole genus.
... Fly." International Wildlife Encyclopedia . 2002 ed.
Freeman, Scott.
biological Science . New Jersey: Prentice-Hall, Inc., 2002.
"Pomace Flies". ...
Eugenics
... , a prominent American biologist , assumed the role of director of a
biological research station based in Cold Spring Harbor . Here he began ... " reprogenetics "). It has been argued that this "non-coercive" form of
biological "improvement" will be motivated more by individual competitiveness and the ...
Fick's law of diffusion
...
1 History
2 Fick's First Law
3 Fick's Second Law
4 A
biological Perspective
5 See also
6 References
History
Fick's ... in dimensions of [length 2 time -1 ]
x is the position
A
biological Perspective
The first law gives rise to the formula
It states ...
Cell membrane
... A component of every
biological cell , the selectively permeable cell membrane (or plasma membrane or ... pp. (In Russian)
Z.D. Urushadze, "The Charge Transfer Across the Model
biological Membrane".- Proceedings of the Georgian Academy of Sciences, Series of ...
HeLa
... also the German name for Hel, Poland and the cruiser SMS Hela
In
biological and medical research, a HeLa cell is a cell which is derived from ... other cell cultures growing in the same laboratory, interfering with
biological research. The degree of contamination is unknown, because few researchers ...
Light-dependent reaction
... . ATP is a versatile source of chemical energy used in most
biological processes. Note, however, that the light reaction produces no ... an electron transport chain . This is a series of proteins embedded in a
biological membrane that transfers high-energy electrons from one to another, ...