Region in Biological Definition
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Region in Biological Definition
... immunoglobulins of the same class, and a variable region which differs between immunoglobulins of ... γ, α and δ have the constant region composed of three domains ; the constant region of heavy chains μ and ε is composed of ...
... or prominent bump Articulation the region where adjacent bones contact each other - a ... long, relatively straight main body of the bone; region of primary ossification Epiphysis the ... articular end of the bone Neck the region of bone between the Head and the Shaft ...
... correctly. Because the precise structure of each region tends to be fairly critical to correct function, ... which would produce a nonfunctional active region is proportional to the length of the chain ... against having the amino acids from an active region widely dispersed, instead tending to keep the ...
... Susumu Tonegawa has demonstrated that a specific region of the hippocampus, namely CA1, is crucial to the ... [21] . So-called place cells located in this region are responsible for creating "place fields" of ... A-dependent long-term potentiation in the CA1 region of hippocampus requires repeated tetanization". ...
... through a semipermeable membrane from a region of low solute concentration to a region of high solute concentration. The semipermeable ... can be opposed by increasing the pressure in the region of high solute concentration with respect to that ...
... are: DNA template, which contains the region of the DNA fragment to be amplified Two ... , which determine the beginning and end of the region to be amplified (see following section on primers) DNA-Polymerase, which copies the region to be amplified Nucleotides , from which ...
... more challenging, is the totality of genes, species, and ecosystems of a region . An advantage of this definition is that it seems to describe most ... Hotspots of biodiversity One definition of a biodiversity hotspot is a region with many endemic species. Hotspots tend to occur in areas of ...
... 1 Brewing beer 2 Uses 2.1 Fermentated foods, by region 3 History 3.1 Products 4 See also 5 References ... inhibit the growth of all other microorganisms. Fermentated foods, by region World wide: olives , vinegar , wine , yoghurt Asia India: ...
... similar vesicles. The cis face is the side facing the ER, the medial region is in the middle while the trans face is directed towards the plasma ... the Golgi lumen . The proteins are then transported through the medial region towards the trans face and are modified on their way. The transport ...
... resonance (NMR) . That is to say, MRI allows one to study a particular region within an organism or sample, but gives relatively little information ... chief value is in being able to distinguish the properties of that region relative to those of surrounding regions. MR spectroscopy, however, ...
... a descendant species should appear suddenly by migration from a peripheral region in which it evolved. In the peripheral region itself, we might find direct evidence of speciation, but such good fortune ...
... eye typically has its maximum sensitivity at ~555 nm , in the yellow region of the optical spectrum. Wavelengths visible to the eye are defined by the spectral range of the " optical window ", the region of the electromagnetic spectrum which passes largely unattenuated through ...
... to flow from high to low concentration, which yields the entropic energy to drive the transport of the other solute from a low concentration region to a high one. An example is the sodium-calcium exchanger or antiporter, which allows three sodium ions into the cell to transport one calcium out. ...
... as well as certain algae and fungi, there exists a pair of centrioles arranged perpendicularly to each other; these are known as diplosomes, and the region they are located in (close to the nucleus) is known as the centrosome . Centrioles are important in the cell division process, organizing the ...
... The centromere is a region of a eukaryotic chromosome where the kinetochore is assembled. Thus, it is the site where spindle fibers of the mitotic spindle attach to ...
... to most ions and metabolites , but the inner membrane is highly specialised with transport proteins . Within the inner membrane, in the region called the stroma , there is a system of interconecting flattened membrane compartments, called the lamellae , or thylakoid membrane . These ...
... center called a basal body . Basal body is structurally identical to and functionally interchangeable with centriole in the animal cells. The region between the basal body and axoneme is a short transition zone which is less studied. A defect in the cilium can cause human disease. The best ...
... GGG (Gly/G) Glycine 1 The codon AUG both codes for methionine and serves as an initiation site: the first AUG in an mRNA 's coding region is where translation into protein begins. 2 This is a start codon for prokaryotes only. Table 2: Reverse codon table This table shows ...
... with Ebola particles of up to 14,000 nm in length being reported. An average length, which may represent the most infectious particles, is in the region of 1000 nm. The first electronmicrograph of Ebola was obtained on the 13 October 1976 by Dr. F.A. Murphy, now at UC Davis , who was then ...
... factors. Bicoid has a DNA-binding homeodomain that binds both DNA and the nanos mRNA. Bicoid binds a specific RNA sequence in the 3' untranslated region of caudal mRNA and blocks translation. Hunchback protein levels in the early embryo are significantly augmented by new hunchback gene ...
... In genetics , an enhancer is a short region of DNA which can be bound with proteins (namely, the trans-acting factors, much like a set of transcription factors ) to enhance transcription ...
... Gene duplication occurs when an error in DNA replication leads to the duplication of a region of DNA containing a (generally functional) gene . The significance of this process for evolutionary biology is that if a gene is under natural ...
... GGG (Gly/G) Glycine 1 The codon AUG both codes for methionine and serves as an initiation site: the first AUG in an mRNA 's coding region is where translation into protein begins. 2 This is a start codon for prokaryotes only. Table 2: Reverse codon table This table shows ...
... homeodomain protein is usually not enough to recognize only its desired target genes. Most of the time, homeodomain proteins act in the promoter region of their target genes as complexes with other transcription factors, often also homeodomain proteins. Such complexes have a much higher target ...
... are 81 men aged 60 or over for every 100 women, and among the oldest, there are 53 men for every 100 women. Because humans are bipedal, the pelvic region and spinal column tend to get worn, creating locomotion difficulties in old age. Humans are also more likely than other primates to suffer from ...
... The intermembrane space is the region between the inner membrane and the outer membrane of a mitochondrion or a chloroplast . Its main function is nucleotide phosphorylation . ...
... factors. Bicoid has a DNA-binding homeodomain that binds both DNA and the nanos mRNA. Bicoid binds a specific RNA sequence in the 3' untranslated region of caudal mRNA and blocks translation. Hunchback protein levels in the early embryo are significantly augmented by new hunchback gene ...
... chromosomes that contain multiple copies of the genes encoding for rRNA (which is involved in protein biosynthesis ), gather themselves in the same region where they transcribe the rRNA genes. Thus it can be said the nucleolus consists basically of nucleolar organizers and the transcribed rRNA (plus ...
... vessels which surround the convoluted tubules. secretion - the remaining fluid becomes urine which travels down collecting ducts to the medullary region of the kidney. excretion - the urine (in mammals) is stored in the urinary bladder and exits via the urethra; in other vertebrates the urine mixes ...
... prions work at a molecular level comes from detailed biochemical analysis of yeast prion proteins. A typical yeast prion proteins contain a region ( protein domain ) with many repeats of the amino acids glutamine (Q) and asparagine (N); these Q/N-rich domains form the core of the prion's ...
... cells. Prokaryotes have a single haploid circular (only exceptionally linear, as in Borrelia burgdorferi ) chromosome , contained within a region called nucleoid , rather than in a membrane-bound nucleus, but may also have various small circular pieces of DNA called plasmids spread ...
... -250 Specific transcription factor binding sites Distal promoter Anything further upstream (but not an enhancer or other regulatory region whose influence is positional/orientation independent) Specific transcription factor binding sites Promoters represent critical elements ...
... DNA double helix. This is called the coding strand . The transcription starts with initiation. RNA polymerase , an enzyme, binds to a specific region on the DNA, marking the starting point, called the promoter . As the RNA polymerase binds on to the promoter, the DNA strands are beginning to ...
... a protein molecule that receives and responds to a specific neurotransmitter , hormone , or other substance. In immunology , a receptor is the region of an antibody which shows recognition of an antigen . ...
... by the hormones attach at the DNA at receptor-specific Hormone Responsive Elements ( HREs ), DNA sequences that are located in the promoter region of the genes that are activated by the hormone-receptor complex. As this enables the transcription of the according gene, these hormones are also ...
... the sperm extrude tails, repackage DNA into a head, cap the head with a lysosome-like acrosome and construct an energy transducing neck region of tightly packed mitochondria to finally become mature testicular spermatozoa. They are then released into the lumen of the seminiferous tubule ...
... are called thymocytes . Thymocytes are immature T cells. The differentiation called thymic education occurs in a few stages in the subcapsular region of the thymic cortex. At first, multipotential T cells move at the edge of the thymic cortex . These cells express CD2,CD7 and CD3, but neither ...
... along this string is the centromere ; the distance from a gene to the centromere is referred to as the gene's locus or map location. A chromosomal region known to control a trait while the responsible gene within not being identified is referred to as a quantitative trait locus . The nucleus of a ...
... is passed exclusively from father to sons. see also: Y-chromosomal_Adam References Cordum, H.S., et. al. (2003) The male-specific region of the human Y chromosome is a mosaic of discrete sequence classes. Nature, 423, 825-837 Rozen, S., et. al. (2003) Abundant gene conversion ...
... or prominent bump Articulation the region where adjacent bones contact each other - a ... long, relatively straight main body of the bone; region of primary ossification Epiphysis the ... articular end of the bone Neck the region of bone between the Head and the Shaft ...
... correctly. Because the precise structure of each region tends to be fairly critical to correct function, ... which would produce a nonfunctional active region is proportional to the length of the chain ... against having the amino acids from an active region widely dispersed, instead tending to keep the ...
... Susumu Tonegawa has demonstrated that a specific region of the hippocampus, namely CA1, is crucial to the ... [21] . So-called place cells located in this region are responsible for creating "place fields" of ... A-dependent long-term potentiation in the CA1 region of hippocampus requires repeated tetanization". ...
Major histocompatibility complex
... complex ( MHC ) is a large genomic region or gene family found in most vertebrates ... Certainly the best known genes in the MHC region are the subset that encodes cell-surface ... HLA protein molecules and reserves MHC for the region of the genome that encodes for this molecule, ...... through a semipermeable membrane from a region of low solute concentration to a region of high solute concentration. The semipermeable ... can be opposed by increasing the pressure in the region of high solute concentration with respect to that ...
... are: DNA template, which contains the region of the DNA fragment to be amplified Two ... , which determine the beginning and end of the region to be amplified (see following section on primers) DNA-Polymerase, which copies the region to be amplified Nucleotides , from which ...
... more challenging, is the totality of genes, species, and ecosystems of a region . An advantage of this definition is that it seems to describe most ... Hotspots of biodiversity One definition of a biodiversity hotspot is a region with many endemic species. Hotspots tend to occur in areas of ...
... 1 Brewing beer 2 Uses 2.1 Fermentated foods, by region 3 History 3.1 Products 4 See also 5 References ... inhibit the growth of all other microorganisms. Fermentated foods, by region World wide: olives , vinegar , wine , yoghurt Asia India: ...
... similar vesicles. The cis face is the side facing the ER, the medial region is in the middle while the trans face is directed towards the plasma ... the Golgi lumen . The proteins are then transported through the medial region towards the trans face and are modified on their way. The transport ...
... resonance (NMR) . That is to say, MRI allows one to study a particular region within an organism or sample, but gives relatively little information ... chief value is in being able to distinguish the properties of that region relative to those of surrounding regions. MR spectroscopy, however, ...
... a descendant species should appear suddenly by migration from a peripheral region in which it evolved. In the peripheral region itself, we might find direct evidence of speciation, but such good fortune ...
... eye typically has its maximum sensitivity at ~555 nm , in the yellow region of the optical spectrum. Wavelengths visible to the eye are defined by the spectral range of the " optical window ", the region of the electromagnetic spectrum which passes largely unattenuated through ...
... to flow from high to low concentration, which yields the entropic energy to drive the transport of the other solute from a low concentration region to a high one. An example is the sodium-calcium exchanger or antiporter, which allows three sodium ions into the cell to transport one calcium out. ...
... as well as certain algae and fungi, there exists a pair of centrioles arranged perpendicularly to each other; these are known as diplosomes, and the region they are located in (close to the nucleus) is known as the centrosome . Centrioles are important in the cell division process, organizing the ...
... The centromere is a region of a eukaryotic chromosome where the kinetochore is assembled. Thus, it is the site where spindle fibers of the mitotic spindle attach to ...
... to most ions and metabolites , but the inner membrane is highly specialised with transport proteins . Within the inner membrane, in the region called the stroma , there is a system of interconecting flattened membrane compartments, called the lamellae , or thylakoid membrane . These ...
... center called a basal body . Basal body is structurally identical to and functionally interchangeable with centriole in the animal cells. The region between the basal body and axoneme is a short transition zone which is less studied. A defect in the cilium can cause human disease. The best ...
... GGG (Gly/G) Glycine 1 The codon AUG both codes for methionine and serves as an initiation site: the first AUG in an mRNA 's coding region is where translation into protein begins. 2 This is a start codon for prokaryotes only. Table 2: Reverse codon table This table shows ...
... with Ebola particles of up to 14,000 nm in length being reported. An average length, which may represent the most infectious particles, is in the region of 1000 nm. The first electronmicrograph of Ebola was obtained on the 13 October 1976 by Dr. F.A. Murphy, now at UC Davis , who was then ...
... factors. Bicoid has a DNA-binding homeodomain that binds both DNA and the nanos mRNA. Bicoid binds a specific RNA sequence in the 3' untranslated region of caudal mRNA and blocks translation. Hunchback protein levels in the early embryo are significantly augmented by new hunchback gene ...
... In genetics , an enhancer is a short region of DNA which can be bound with proteins (namely, the trans-acting factors, much like a set of transcription factors ) to enhance transcription ...
... Gene duplication occurs when an error in DNA replication leads to the duplication of a region of DNA containing a (generally functional) gene . The significance of this process for evolutionary biology is that if a gene is under natural ...
... GGG (Gly/G) Glycine 1 The codon AUG both codes for methionine and serves as an initiation site: the first AUG in an mRNA 's coding region is where translation into protein begins. 2 This is a start codon for prokaryotes only. Table 2: Reverse codon table This table shows ...
... homeodomain protein is usually not enough to recognize only its desired target genes. Most of the time, homeodomain proteins act in the promoter region of their target genes as complexes with other transcription factors, often also homeodomain proteins. Such complexes have a much higher target ...
... are 81 men aged 60 or over for every 100 women, and among the oldest, there are 53 men for every 100 women. Because humans are bipedal, the pelvic region and spinal column tend to get worn, creating locomotion difficulties in old age. Humans are also more likely than other primates to suffer from ...
... The intermembrane space is the region between the inner membrane and the outer membrane of a mitochondrion or a chloroplast . Its main function is nucleotide phosphorylation . ...
... factors. Bicoid has a DNA-binding homeodomain that binds both DNA and the nanos mRNA. Bicoid binds a specific RNA sequence in the 3' untranslated region of caudal mRNA and blocks translation. Hunchback protein levels in the early embryo are significantly augmented by new hunchback gene ...
... chromosomes that contain multiple copies of the genes encoding for rRNA (which is involved in protein biosynthesis ), gather themselves in the same region where they transcribe the rRNA genes. Thus it can be said the nucleolus consists basically of nucleolar organizers and the transcribed rRNA (plus ...
... vessels which surround the convoluted tubules. secretion - the remaining fluid becomes urine which travels down collecting ducts to the medullary region of the kidney. excretion - the urine (in mammals) is stored in the urinary bladder and exits via the urethra; in other vertebrates the urine mixes ...
... prions work at a molecular level comes from detailed biochemical analysis of yeast prion proteins. A typical yeast prion proteins contain a region ( protein domain ) with many repeats of the amino acids glutamine (Q) and asparagine (N); these Q/N-rich domains form the core of the prion's ...
... cells. Prokaryotes have a single haploid circular (only exceptionally linear, as in Borrelia burgdorferi ) chromosome , contained within a region called nucleoid , rather than in a membrane-bound nucleus, but may also have various small circular pieces of DNA called plasmids spread ...
... -250 Specific transcription factor binding sites Distal promoter Anything further upstream (but not an enhancer or other regulatory region whose influence is positional/orientation independent) Specific transcription factor binding sites Promoters represent critical elements ...
... DNA double helix. This is called the coding strand . The transcription starts with initiation. RNA polymerase , an enzyme, binds to a specific region on the DNA, marking the starting point, called the promoter . As the RNA polymerase binds on to the promoter, the DNA strands are beginning to ...
... a protein molecule that receives and responds to a specific neurotransmitter , hormone , or other substance. In immunology , a receptor is the region of an antibody which shows recognition of an antigen . ...
... by the hormones attach at the DNA at receptor-specific Hormone Responsive Elements ( HREs ), DNA sequences that are located in the promoter region of the genes that are activated by the hormone-receptor complex. As this enables the transcription of the according gene, these hormones are also ...
... the sperm extrude tails, repackage DNA into a head, cap the head with a lysosome-like acrosome and construct an energy transducing neck region of tightly packed mitochondria to finally become mature testicular spermatozoa. They are then released into the lumen of the seminiferous tubule ...
... are called thymocytes . Thymocytes are immature T cells. The differentiation called thymic education occurs in a few stages in the subcapsular region of the thymic cortex. At first, multipotential T cells move at the edge of the thymic cortex . These cells express CD2,CD7 and CD3, but neither ...
... along this string is the centromere ; the distance from a gene to the centromere is referred to as the gene's locus or map location. A chromosomal region known to control a trait while the responsible gene within not being identified is referred to as a quantitative trait locus . The nucleus of a ...
... is passed exclusively from father to sons. see also: Y-chromosomal_Adam References Cordum, H.S., et. al. (2003) The male-specific region of the human Y chromosome is a mosaic of discrete sequence classes. Nature, 423, 825-837 Rozen, S., et. al. (2003) Abundant gene conversion ...
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