[permalink] [id link]
The organelle has no basic shape or size ; its structure varies according to the needs of the cell.
from
Wikipedia
Some Related Sentences
organelle and has
The outer mitochondrial membrane, which encloses the entire organelle, has a protein-to-phospholipid ratio similar to that of the eukaryotic plasma membrane ( about 1: 1 by weight ).
In cell biology, an organelle () is a specialized subunit within a cell that has a specific function, and is usually separately enclosed within its own lipid bilayer.
Most of the polypeptide modifications listed above occur post-translationally, i. e., after the protein has been synthesized on the ribosome, typically occurring in the endoplasmic reticulum, a subcellular organelle of the eukaryotic cell.
The canonical role of the flagellum is locomotion but it also often has function as a sensory organelle, being sensitive to chemicals and temperatures outside the cell.
For example, the bubonic plague bacterium Yersinia pestis has an organelle assembly very similar to a complex flagellum, except that is missing only a few flagellar mechanisms and functions, such as a needle to inject toxins into other cells.
), toxoplasmosis ( Toxoplasma gondii ), and many other human or animal diseases also harbor a complex plastid ( although this organelle has been lost in some apicomplexans, such as Cryptosporidium parvum, which causes cryptosporidiosis ).
This protozoan lacks mitochondria, although the discovery of the presence of mitochodrial remnants ( organelles ) in one recent study " indicate that Giardia is not primitively amitochondrial and that it has retained a functional organelle derived from the original mitochondrial endosymbiont ".
The outer mitochondrial membrane, which encloses the entire organelle, has a protein-to-phospholipid ratio similar to the eukaryotic plasma membrane ( about 1: 1 by weight ).
It has been posited that this organelle works cooperatively with its counterpart organelle, the rhoptry, which also is a secretory organelle.
organelle and no
The ' apicoplast ' is no longer capable of photosynthesis, but is an essential organelle, and a promising target for antiparasitic drug development.
organelle and shape
A microbody is a cytoplasmic organelle of a more or less globular shape that comprises degradative enzymes bound within a single membrane.
organelle and size
During the development of proplastids to chloroplasts, and when plastids convert from one type to another, nucleoids change in morphology, size and location within the organelle.
organelle and ;
nuclei ; from Latin or, meaning kernel ) is a membrane-enclosed organelle found in eukaryotic cells.
But mitochondria are not only a destination for the phospholipids they finish synthesis of ; rather, this organelle also plays a role in inter-organelle trafficking of the intermediates and products of phospholipid biosynthetic pathways, ceramide and cholesterol metabolism, and glycosphingolipid anabolism.
A cilium ( Latin for eyelash ; the plural is cilia ) is an organelle found in eukaryotic cells.
; E-kin ): armadillo, bordello, bureau, castle ( OE castel, < 1000 ), codicil, espadrille, flotilla, limoncello, mantle, Monticello, morsel, organelle, pastel, pencil, pestle, quadrille, quarrel, rowel ( 1344 ), scintilla, vanilla, violoncello
Pinealocytes have an organelle called the synaptic ribbon ; this is considered to be a specific marker for pinealocytes.
organelle and its
Selective permeability is essential for effective separation of a cell or organelle from its surroundings.
The main structures making up the nucleus are the nuclear envelope, a double membrane that encloses the entire organelle and unifies its contents from the cellular cytoplasm, and the nucleoskeleton ( which includes nuclear lamina ), a meshwork within the nucleus that adds mechanical support, much like the cytoskeleton, which supports the cell as a whole.
The MAM thus offers a perspective on mitochondria that diverges from the traditional view of this organelle as a static, isolated unit appropriated for its metabolic capacity by the cell.
Proteins that are to be targeted to a particular organelle or for secretion have an N-terminal signal peptide that directs the protein to its final destination.
Sorting targets can be the inner space of an organelle, any of several interior membranes, the cell's outer membrane, or its exterior via secretion.
The nature of calcium in the cytosol means that it is active for only a very short time, meaning its free state concentration is very low and is mostly bound to organelle molecules like calreticulin when inactive.
The cells typically have two slightly unequal flagella, both of which are smooth, and a unique organelle called a haptonema, which is superficially similar to a flagellum but differs in the arrangement of microtubules and in its use.
In this way, the synthesis of neuromelanin is protective as its encapsulation within the autophagic organelle removes it from reacting with sites in the neuronal cytosol that could lead to neurotoxicity.
Legionella pneumophila, the causing agent of legionellosis ( Legionnaires ' disease ) utilizes a type IVB secretion system, known as the icm / dot ( intracellular multiplication / deffect in organelle trafficking genes ) system, to translocate numerous effector proteins into its eukaryotic host.
organelle and structure
The Apicomplexa ( also referred to as Apicomplexia ) are a large group of protists, most of which possess a unique organelle called apicoplast and an apical complex structure involved in penetrating a host's cell.
A cnidocyte fires a structure that contains the toxin, from a characteristic sub-cellular organelle called a cnidocyst ( also known as a cnida or nematocyst ).
Each cnidocyte cell contains an organelle called a cnidae or cnidocyst ( e. g. nematocyst, ptychocyst or spirocyst ), which comprises a bulb-shape capsule containing a coiled hollow tubule structure attached to it.
In this body of work, Robertson put forward the concept of the “ unit membrane .” This was the first time the bilayer structure had been universally assigned to all cell membranes as well as organelle membranes.
This tip structure, designated an attachment organelle or terminal organelle, is essential for adherence to host cells and for movement along solid surfaces ( gliding motility ), and is implicated in normal cell division.
Cardiolipin is intimately connected with the electron transport chain proteins and the membrane structure of the mitochondria which is the energy producing organelle of the cell.
Their basal bodies give rise to a several long sheets of microtubules, which form an organelle called an axostyle, but different in structure from the axostyles of parabasalids.
A contractile vacuole ( abbreviation: CV ) is a sub-cellular structure ( organelle ) involved in osmoregulation.
organelle and according
Even though iojap assorts according to Mendel's rules, if the mother is homozygous recessive, then the protein is not produced, the chloroplast ribosomes fail to form, and the plasmid becomes non-functional because the ribosomes cannot be imported into the organelle.
organelle and cell
The Golgi apparatus is a large organelle that processes proteins and prepares them for use both inside and outside the cell.
For instance, in endocytosis, a portion of the cell ’ s plasma membrane pinches off to form a vesicle that will eventually fuse with an organelle within the cell.
In cell biology, a mitochondrion ( plural mitochondria ) is a membrane-enclosed organelle found in most eukaryotic cells.
For reference, the syntheses of the purine and pyrimidine nucleotides are carried out by several enzymes in the cytoplasm of the cell, not within a specific organelle.
While most cell biologists consider the term organelle to be synonymous with " cell compartment ", other cell biologists choose to limit the term organelle to include only those that are DNA-containing, having originated from formerly autonomous microscopic organisms acquired via endosymbiosis.
In cell biology, a vesicle is a small bubble within a cell, and are thus a type of organelle.
Necrosis typically begins with cell swelling, chromatin digestion, and disruption of the plasma membrane and organelle membranes.
Late necrosis is characterized by extensive DNA hydrolysis, vacuolation of the endoplasmic reticulum, organelle breakdown, and cell lysis.
A " cnidocyte " is the explosive cell containing one giant secretory organelle or cnidae that define the phylum Cnidaria ( corals, sea anemones, hydrae, jellyfish, etc .).
0.167 seconds.