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Morphology in Biological Definition

Apoptosis

... of PCD share the characteristic shapes (the morphology ) and sequences of apoptosis, but all types of ... regulation 2 Apoptotic process 2.1 morphology 2.2 Biochemical signals for safe disposal ... negative regulators Apoptotic process morphology A cell undergoing apoptosis shows a ...

Cancer

... 5.1 Molecular biology 5.2 morphology 5.3 Heredity 5.4 Environment and diet ... Tumor cells keep dividing forever. Altered morphology . Building of cellular clusters ( foci ). ... proteins are tumor suppressor genes . morphology Cancer tissue has a distinctive appearance ...

Lichen

... of the green alga. Contents showTocToggle("show","hide") 1 morphology and structure 2 Reproduction 3 Ecology 4 Classification 5 External links morphology and structure Lichens live on various surfaces: soil, trees, rocks, and ...

Pseudopod

... 2 Function 2.1 Mechanical role 2.2 Sensory role 3 morphology Formation First, the cell surface extends a membrane process, ... but also in some cells ( phagocytes ) in multicellular organisms. morphology Pseudopods can be classified into several varieties according to their ...

Anatomy

... and human anatomy . Animal anatomy may include the study of the structure of different animals, when it is called comparative anatomy or animal morphology , or it may be limited to one animal only, in which case it is spoken of as special anatomy . From a utilitarian point of view the study of ...

Archaea

... External links Archaea ArchaeaWeb - by UNSW - Information about Archaea Introduction to the Archaea, ecology, systematics and morphology Extremophiles Bioprospecting for antimicrobials, Dr Sarah Maloney Citat: ... breaking research on extremophiles continues to this day, ...

Biology

... exact relationships of the three domains are still being debated. Despite the underlying unity, life exhibits an astonishing wide diversity in morphology , behavior and life histories . In order to grapple with this diversity, biologists attempt to classify all living things. This scientific ...

Cladistics

... links Introduction Based on a wide variety of information, which includes genetic analysis, biochemical analysis, and analysis of morphology , treelike relationship-diagrams called "cladograms" are drawn up to show different possibilities. A vertical orientation yields a ...

Evolutionary developmental biology

... counter-intuitive, results of such research in evolutionary developmental biology done in this period, is that both the diversity of body plans and morphology in organisms across many phyla is not necessarily reflected in similar diversity at the at the level of the genetic sequences controlling ...

Flagellum

... flagellum is superficially similar to the bacterial (or eubacterial) flagellum; in the 1980s they were thought to be homologous on the basis of gross morphology and behavior (Cavalier-Smith, 1987). Both flagella consist of filaments extending outside of the cell, and rotate to propel the cell. However, ...

Leaf

... is usually characteristic of a species, although some species produce more than one type of leaf. The terminology associated with describing leaf morphology is presented (with illustrations) at Wikibooks . Basic leaf types : Ferns have fronds . Conifer leaves are typically needle-, ...

Molecular biology

... of biological molecules and ... is predominantly three-dimensional and structural - which does not mean, however, that it is merely a refinement of morphology - it must at the same time inquire into genesis and function" Contents showTocToggle("show","hide") 1 Relationship to other ...

Molecular phylogeny

... have been disassembled and reassembled into patterns based on molecular identification rather than on the previous system of taxonomy based on morphology . Because it is now possible to infer a gene's relationships by the existence of molecular similarities between it and other genes, it is also ...

Sociobiology

... Many of the sloppier early conclusions were attacked. Sociobiologists were accused of being "super" adaptationists , believing that every aspect of morphology and behaviour must necessarily be an evolutionarily beneficial adaptation. Philosophical debates about the nature of scientific truth and the ...

Unsolved problems in biology

... 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 skeletons and very small hominid skeletons? Is hominid evolution static? Is hominid devolution possible? Are there ...
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