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Primary in Biological Definition

Active transport

... 1 Types 1.1 primary 1.2 Secondary 1.2.1 Counter-transport ... also Types There are two main types, primary and secondary . In primary transport energy is directly coupled to movement ...

Alcohol

... (ethane-1,2-diol) HO-CH 2 -CH 2 -OH, which is the primary component in antifreeze Glycerin (or ... As mentioned above alcohols are classified as primary (1), secondary (2) or tertiary (3), and common ... group is replaced by a chlorine atom. If primary or secondary alcohols are to be reacted with ...

Amine

... replaced by a carbon based group, then it is a primary amine . If two of the hydrogens are replaced by ... many H atoms there are in that group. primary Amine: Secondary Amine: Tertiary ... often have fishy smells. Synthesis primary amines are firstly produced due to the Gabriel ...

Biopolymer

... these units are arranged is called the polymer's primary structure . Many biopolymers spontaneously " fold ... and depend in a complicated way on their primary structures. Structural biology is the study of ... of the chain. Such a sequence is called the primary structure of the biopolymer. There are a ...

Cancer

... tumor cells. In addition to removal of the primary tumor, surgery is often necessary for staging, ... also has been shown to reduce risk of second primary tumors among patients with primary head and neck cancer . Finasteride , a 5-alpha ...

Centromere

... during mitosis . It is also the site of the primary constriction visible in microscopy images of ... are "holocentric" indicating that there is not a primary site of microtubule attachments or a primary constriction, and a "diffuse" kinetochore ...

Cilium

... cells have a single non-motile cilium called " primary cilium " that has been neglected for a long time. ... The best known cilia-related disorder is primary Ciliary Dyskinesia (PCD). In addition, a defect of the primary cilium in the renal tube cells can lead to ...

Endosymbiont

... products into safer forms. For example, the primary role of Buchnera is thought to be to synthesize ... in Buchnera is noteworthy. Similarly, the primary role of Wigglesworthia is probably to ... by tsetse flies. Focuses on methods using the primary and secondary endosymbionts of the tsetse fly. ...

Endosymbiont

... products into safer forms. For example, the primary role of Buchnera is thought to be to synthesize ... in Buchnera is noteworthy. Similarly, the primary role of Wigglesworthia is probably to ... by tsetse flies. Focuses on methods using the primary and secondary endosymbionts of the tsetse fly. ...

Light-dependent reaction

... one of its electrons, which is then captured by a primary acceptor protein. The chlorophyll's electron ... complex called photosystem I, passes from the primary acceptor to ferredoxin , then to a complex of ... two electrons which are transferred to the primary acceptor protein. The deficit of electrons is ...

Mitochondrion

... as " cellular power plants ", because their primary function is to convert organic materials into ... . Mitochondrial functions Although the primary function of mitochondria is to convert organic ... . Energy conversion As stated above, the primary function of the mitochondria is the production of ...

Mitochondrion

... as " cellular power plants ", because their primary function is to convert organic materials into ... . Mitochondrial functions Although the primary function of mitochondria is to convert organic ... . Energy conversion As stated above, the primary function of the mitochondria is the production of ...

Light-dependent reaction

... one of its electrons, which is then captured by a primary acceptor protein. The chlorophyll's electron ... complex called photosystem I, passes from the primary acceptor to ferredoxin , then to a complex of ... two electrons which are transferred to the primary acceptor protein. The deficit of electrons is ...

Primary structure

... In biochemistry , to specify the primary structure of an unbranched biopolymer , such as ... either nucleotide or peptide sequence . The primary structure, in other words, is a biopolymer's ... in which its subunits are arranged. While the primary structure of a biological polymer to a large ...

Protein

... and nucleic acids , that make up the primary constituents of living things . They are ... distinct aspects of a protein's structure: primary structure : the amino acid sequence ... them are called conformational changes. The primary structure is held together by covalent peptide ...

Secondary structure

... This means that 2 adjacent residues in the primary structure must form the same hydrogen bonding ... structure in analysis of RNA. See also : primary structure — tertiary structure — ... Distant relationships amound proteins whose primary structures are unalignable can sometimes be found ...

Spermatogenesis

... B spermatogonium. Type B spermatogonia become primary spermatocytes . primary spermatocytes go through a meiotic division to ... again producing more Type A and B cells. The primary spermatocytes contain twice the DNA of a normal ...

Alga

... different endosymbiotic events. There are three groups that have primary chloroplasts: Green algae , together with higher plants Red ... and c . The latter chlorophyll type is not known from any prokaryotes or primary chloroplasts, but genetic similarities with the red algae suggest a ...

Archaea

... Woese argued that the bacteria, archaea, and eukaryotes each represent a primary line of descent that diverged early on from an ancestral progenote with ... George E. (1977). Phylogenetic Structure of the Prokaryotic Domain: The primary Kingdoms. Proceedings of the National Academy of Sciences of the United ...

Bone

... appear during fetal development, though a few short bones begin their primary ossification after birth. They are responsible for the formation of the ... , Shaft the long, relatively straight main body of the bone; region of primary ossification Epiphysis the end regions of the bone; regions of ...

Diabetes mellitus

... amputation. Recent studies show that use of statins might be needed in primary and secondary prevention of cardiovascular complications and mortality. ... MI, Charlton-Menys V, Fuller JH on behalf of the CARDS Investigators. primary prevention of cardiovascular disease with atorvastatin in type 2 diabetes ...

Enzyme

... While it is well established that a protein's fold is determined by its primary structure, the factors that go into ensuring that the chain folds ... enzymes such as salivary amylase , trypsin and chymotrypsin . Their primary role is for the digestion of food and making nutrients available to all of ...

Cell membrane

... coupled with the hydrolysis of ATP. This coupling can be either primary or secondary. In the primary active transport, transporters that move molecules against their ...

Hepatitis B

... transmission from mother to child during childbirth, and so on. The primary method of transmission depends on the prevalence of the disease in a given ... the continental United States, IV drug abuse and unprotected sex are the primary method. In moderate prevalence areas, the disease is predominantly spread ...

Insulin

... hormone that regulates carbohydrate metabolism . Apart from being the primary effector in carbohydrate homeostasis, it also takes part in the metabolism ... sequence of amino acids comprising the insulin molecule, the so-called primary structure , was determined by British molecular biologist Frederick ...

Liver

... , a hereditary disease which causes the body to retain copper primary sclerosing cholangitis , an inflammatory disease of the bile duct , autoimmune in nature. primary biliary cirrhosis , autoimmune disease of small bile ducts Budd-Chiari ...

Marine biology

... micrometers, and together with phytoplankton , hugely important as the primary producers of the sea, to the huge cetaceans (or whales) which reach up ... is better understood due to their critical position as the most numerous primary producers on Earth. Phytoplankton fit into these categories: cyanobacteria ...

Nervous system

... system consists basically of two types of cells : Neurons are the primary cells of the nervous system Glia are secondary cells involved in ... support. Rapid signalling within the nervous system occurs by two primary mechanisms: Within neuronal nerve fibers by way of action ...

Alga

... different endosymbiotic events. There are three groups that have primary chloroplasts: Green algae , together with higher plants Red ... and c . The latter chlorophyll type is not known from any prokaryotes or primary chloroplasts, but genetic similarities with the red algae suggest a ...

Cell membrane

... coupled with the hydrolysis of ATP. This coupling can be either primary or secondary. In the primary active transport, transporters that move molecules against their ...

Sequencing

... In genetics and biochemistry , sequencing means to determine the primary structure (or primary sequence) of an unbranched biopolymer . Sequencing results in a symbolic ...

Structural biology

... depends in a complicated way on the molecule's basic composition, or " primary structure ." Biomolecules are too small to see in detail even with ... analysis . See: protein structure prediction . See also: primary structure , secondary structure , tertiary structure , quaternary ...

Tertiary structure

... is to predict the native conformation of a protein from its primary sequence . Conventionally, tertiary structures are deduced through ... tertiary structure is known as structural biology . See also: primary structure -- secondary structure -- quaternary structure -- ...

Active site

... and binding of the substrate . The active site in many enzymes can be inhibited or suppressed by the presence of another molecule. There are three primary modes of inhibition. In competitive inhibition , the active site itself is blocked when a molecule chemically similar to the substrate binds to the ...

Antibiotic

... External links Antibiotic News from Genome News Network (GNN) Bruce Sterling's Bitter Resistance JAAPA: New antibiotics useful in primary care Resources Alliance for the Prudent Use of Antibiotics ...

Antibody

... such as worms. The IgE antibodies are present also in outer excretions. They do not activate complement. Function The antibodies have two primary functions: they bind antigens -- see below they combine with different immunoglobulin receptors specific for them and exert effector ...

ATP synthase

... of the mitochondrial enzyme. However, in chloroplasts the protonmotive force is generated not by respiratory electron transport chain, but by primary photosynthetic proteins - photosystems I and II and cytochrome b 6 f . E. coli ATP synthase E. coli ATP synthase is the simplest known form ...

Autotroph

... because the energy and organic building blocks obtained from their prey comes ultimately from the autotrophs eaten by the prey. See also primary nutritional groups ...

Axon

... projection of a nerve cell, or " neuron ," which conducts electrical impulses away from the neuron's cell body or soma. Axons are in effect the primary transmission lines of the nervous system , and as bundles they help make up nerves . Individual axons are microscopic in diameter--typically about ...

B cell

... by binding to them and making them easier targets for phagocytes . Memory B cells are formed specific to the antigen(s) encountered during the primary immune response; able to live for a long time, these cells can respond quickly upon second exposure to the antigen for which they are specific. ...
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