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Space in Biological Definition

Biodiversity

... of biodiversity 4.2 Biodiversity: time and space 4.3 Species inventory 4.4 Hotspots of ... and too restricted. Biodiversity: time and space Biodiversity is not static: it is a system in ... years to diversify and explore evolutionary space before the 'visibles' arrived". Measures of ...

Drosophila

... flies. External links Fruit Flies in space NASA-supported researchers are going to send fruit flies to the International space Station to learn what space travel does to the genes of astronauts ...

Endoplasmic reticulum

... The membrane encloses a space, the cisternal space (or internal lumen) from the cytosol . This space is acting as a gateway. Parts of the ER membrane ... of the nuclear envelope , and the cisternal space of the ER is continuous with ...

Habitat

... A concept in Ecology: see habitat . A space habitat is a self-contained environment supporting some number of people in the vacuum of space in a permanent way. See space colonization . Habitat is the name of a ...

Human

... to explore Antarctica , the ocean depths, and space , although long-term habitation of these ... in hostile environments ( Antarctica , outer space ) is expensive, typically limited in duration, ... military, or industrial expeditions. Life in space has been very sporadic, with a maximum of ...

Intermembrane space

... The intermembrane space is the region between the inner membrane and ... or the stroma can bypass the intermembrane space via transport through translocases . These are ... the mitochondrial matrix into the intermembrane space during electron transport . The structures ...

Mitochondrion

... and outer membranes, called the intermembrane space . The mitochondrial membranes The outer ... concentration of protons in the intermembrane space is higher than that in the matrix). An active ... By transporting protons from the intermembrane space back into the matrix, the ATP synthase complex ...

Mitochondrion

... and outer membranes, called the intermembrane space . The mitochondrial membranes The outer ... concentration of protons in the intermembrane space is higher than that in the matrix). An active ... By transporting protons from the intermembrane space back into the matrix, the ATP synthase complex ...

Population genetics

... of genotypes ( G 1 ) to a phenotype space ( P 1 ), where selection takes place, and ... resulting population ( P 2 ) back to genotype space ( G 2 ) where Mendelian genetics can predict ... population genetics operating in the genotype space and the biometric theory used in plant and ...

Endoplasmic reticulum

... The membrane encloses a space, the cisternal space (or internal lumen) from the cytosol . This space is acting as a gateway. Parts of the ER membrane ... of the nuclear envelope , and the cisternal space of the ER is continuous with ...

Endoplasmic reticulum

... The membrane encloses a space, the cisternal space (or internal lumen) from the cytosol . This space is acting as a gateway. Parts of the ER membrane ... of the nuclear envelope , and the cisternal space of the ER is continuous with ...

Endoplasmic reticulum

... The membrane encloses a space, the cisternal space (or internal lumen) from the cytosol . This space is acting as a gateway. Parts of the ER membrane ... of the nuclear envelope , and the cisternal space of the ER is continuous with ...

Homunculus

... describe the distorted human figure drawn to reflect the relative sensory space our body parts represent on the cerebral cortex . The lips, hands, feet ... is the name of an entity that obviously has a great understanding of space and time, and he seems to be helping the main character in the game to ...

Kidney

... (out-going) arteriole. The Bowman's capsule contains a fluid-filled space called "Bowman's space", which is separated from blood in the glomerulus ... out of the glomerulus, through these three layers and into the Bowman's space to form the glomerular filtrate. The filtrate is blood plasma without ...

Magnetic resonance imaging

... is the spatial frequency weighting in two or three dimensions of a real space object as sampled by MRI. The information is subsequently inverse Fourier transformed by a computer into real space to obtain the desired image. Detailed anatomical information results. ...

Origin of life

... and that it is possible that primitive life itself may have formed in space was brought to the surface along with it. A related hypothesis holds that ... of Life on the Earth Scientists Find Clues That Life Began in Deep space — NASA Astrobiology Institute Creationist/Intelligent Design ...

Second messenger

... and diffuse from the plasma membrane into the juxtamembrane space where they can reach and regulate membrane-associated effector proteins . ... and destruction can be localized , enabling the cell to limit space and time of signal activity. ...

Astrobiology

... Research primarily involves studying data from telescopes and planetary space probes , comparing the conditions on other planets in the solar system ... of Life on the Earth Scientists Find Clues That Life Began in Deep space - NASA Astrobiology Institute Stars and Habitable Planets Life ...

X-ray crystallography

... Fourier transform molecular model Patterson function reciprocal space space group phase problem Bragg's law Paper Resources/Books ...

Alfred Russel Wallace

... regarding the geographic and geologic distribution of species, and concludes that "Every species has come into existence coincident both in space and time with a closely allied species." The paper was a foreshadowing of the momentous paper he would write three years hence. Wallace had once ...

Alpha helix

... in a 100 turn in the helix, and corresponds to a translation of 1.5 along the helical axis. The helix is tightly packed; there is almost no free space within the helix. All amino acid side-chains are arranged at the outside of the helix. The N-H group of amino acid (n) can establish a hydrogen ...

Antibody

... It has a large molecular mass of approximately 900 kD. The J chain is attached to most pentamers, while hexamers do not possess the J chain due to space constraints in the complex. Because each monomer has two antigen binding sites, an IgM has 10 of them, however it cannot bind 10 antigens at the same ...

Apoptosis

... infection (cell death by necrosis ). Instead of swelling and bursting - hence spilling their possibly damaging internal contents into extracellular space - apoptotic cells and their nuclei shrink, and often fragment. In this way, they can be efficiently phagocytosed (and, as a consequence of this, ...

Bone

... Osteocytes originate from osteoblasts which have migrated into and become trapped and surrounded by bone matrix which they themselves produce. The space which they occupy is known as a lacuna. Osteocytes have many processes which reach out to meet osteoblasts probably for the purposes of ....

Cell nucleus

... happening within the nucleus. The outer membrane is continuous with the rough endoplasmic reticulum (RER) and may be studded with ribosomes . The space between the two membranes (called the "perinuclear space") is continuous with the lumen of the RER. Drawing of nucleus and the endoplasmic ...

Chloroplast

... takes place. A stack of thylakoids is called a granum . A thylakoid looks like a flattened disk, and inside is an empty area called the thylakoid space or lumen. The photosynthesis reaction takes place on the surface of the thylakoid. The photosynthetic proteins in the membrane bind chlorophyll ...

Common descent

... ancestral "genetic pool". More recently, scientists such as Francis Crick have postulated that the universal common ancestor could have come from space ( panspermia ). He was led to this conclusion by the universality of the genetic code (see below). Evidence for common descent ...

Cytoplasm

... their cytoplasms. In the animal kingdom , cytoplasm occupies nearly half the cell's volume while in vegetal cells, the cytoplasm occupies much less space because of the presences of vacuoles. Function The cytoplasm plays a mechanical role, i.e. to maintain the shape, the consistency of the cell ...

Digital organism

... their Avida system, which was inspired by Tierra but had again some crucial differences. In Tierra, all programs lived in the same address space , and could potentially overwrite or otherwise interfere with each other. In Avida, on the other hand, each program lives in its own address space. ...

Electrical energy

... to the electromagnetic fields surrounding a transmission line , the fields contained in capacitors and inductors, or the fields propagating in space as electromagnetic radiation . The amount of electrical energy surrounding a conductor or travelling through a waveguide may be calculated by ...

Embryo

... : morula -> blastula -> gastrula . See also Embryogenesis Embryology In vitro fertilization Plant embryogenesis Embryo space colonization A chick embryo of thirty-three hours' incubation External link Chart of human development ...

Eukaryote

... is involved in protein transport. It includes rough sections where ribosomes are attached, and the proteins they synthesize enter the interior space or lumen. Subsequently, they generally enter vesicles, which bud off from the smooth section. In most eukaryotes, the proteins may be further ...

Flagellum

... species of bacteria (those of Spirochete body form) have a specialized type of flagellum called axial filament that is located in the periplasmic space , the rotation of which causes the entire bacterium to corkscrew through its usually viscous medium. Anticlockwise rotation of monotrichous polar ...

Glycoprotein

... can assist in protein folding or improve its stability. Glycoproteins are often used in proteins that are at least in part located in extracellular space (that is, outside the cell ). Glycoproteins are important for immune cell recognition, especially in mammals . Examples of glycoproteins in the ...

Gradient

... higher values, and its corresponding gradient is represented by blue arrows. More rigorously, the gradient of a function from the Euclidean space R n to R is the best linear approximation to that function at any particular point in R n . To that extent, the gradient is a particular ...

Joint

... fibrous - bones are connected by fibrous connective tissue . cartilaginous - bones are connected by cartilage . synovial - there is a space (synovial cavity) between the articulating bones. Functionally, they can be classified as: synarthrosis - permit no movement. ...

Kary Mullis

... holds several highly idiosyncratic views. In his 1998 essay collection Dancing Naked in the Mind Field he relates experiences that he attributes to space alien visitors. He also claims that the evidence behind astrology has not been adequately appreciated. Kary Mullis is among a scientific ...

Long-term potentiation

... . 1986 Feb 27-Mar 5;319(6056):774-6. PMID 2869411 McHugh TJ, Blum KI, Tsien JZ, Tonegawa S, Wilson MA. "Impaired hippocampal representation of space in CA1-specific NMDAR1 knockout mice." Cell . 1996 Dec 27;87(7):1147-8. PMID 8980239 Tang YP, Wang H, Feng R, Kyin M, Tsien JZ. "Differential ...

Lung

... adheres tightly to the outside of the lungs and the outer layer is attached to the wall of the chest cavity. The two layers are separated by a thin space called the pleural cavity that is filled with pleural fluid ; this allows the inner and outer layers to slide over each other, and prevents them ...

Macroecology

... to have restricted ranges) has received much attention. References Brown, J.H and B.A. Maurer. 1989. Macroecology: The division of food ad space among species on continents. Science 243: 1145-1150 Brown, J.H. 2000. Macroecology . University of Chicago Press. ISBN 0-226-07614-8 ...
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