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Membrane in Biological Dictionary

Vitelline membrane

The vitelline membrane is a structure directly adjacent to the outer surface of the plasma membrane of an ovum. It is composed mostly of protein fibers, with protein receptors needed for sperm binding, binding to sperm plasma membrane receptors. The species-specificity between the...

Tympanic membrane

The tympanic membrane , is a thin membrane that separates the external ear from the middle ear. Its function is to transmit sound from the air to the ossicles inside the middle ear. The malleus bone bridges the gap between the eardrum and the other ossicles. Rupture or... Tympanic Membra...

Shell membrane

Harbin ROPV Industry Development Center began to research in 1984 with a single vision: to become a global FRP pressure ... Membrane Shell . Membrane Shell ... Product information for Membrane Shell from Harbin ROPV Industry Development Center. ... Membrane Shell . Send your messa...

Plasma membrane

The cell membrane is the biological membrane separating the interior of a cell from the outside environment. All living cells have a plasma membrane that encloses their contents. ... The plasma membrane is permeable to specific molecules, however, and allows ... cell membra...

Nuclear membrane

The nuclear envelope (NE) is a double lipid bilayer that encloses the genetic material in eukaryotic cells. The nuclear envelope also serves as the physical barrier, separating the contents of the nucleus from the cytosol (cytoplasm). Many nuclear pores are inserted in... The endo...

Mitochondrial membrane

In cell biology, a mitochondrion is a membrane -enclosed organelle found in most eukaryotic cells. These organelles range from 0.5–10 micrometers (μm) in diameter. Mitochondria are sometimes described as "cellular power... The outer mitochondrial membrane , which encloses the enti...

Cell membrane

The cell membrane is the biological membrane separating the interior of a cell from the outside environment. cell membrane n. The semipermeable membrane that encloses the cytoplasm of a cell . ... The unit membrane of a cell is a continuous structure having one surface ... ...

Zona pellucida

... The zona pellucida is a glycoprotein membrane surrounding the plasma membrane of an oocyte. It is a vital constitutive part of t... pellucida n. The thick, solid, transparent outer membrane of a developed mammalian ovum. ... Zona pelluci...

Western blotting

...t;Troubleshooting Guide> Western Blot ... 2% non-fat dry milk in Blotting Buffer as a starting point to ... For Western blots , incubate membrane with diluted antibody in 5% w/v BSA, 1X TBS, ... Phototope®-HRP Western Blot Detection System: (#7071 anti-rabbit) or (#7072 anti ... Wester...

Vesicle

...roducts] ... GO:0030659 : cytoplasmic vesicle membrane [391 gene products] ... GO:0030120 : vesicle c...cs Institute ... represents a Vesicle -associated membrane ... O95292 Vesicle -associated membrane protein-associated protein B/C ... Online Med...

Vacuoles

... A vacuole is a membrane organelle which is present in all plant and fu...ells have very large distinct vacuoles . ... The membrane surrounding the plant cell vacuole is called...ty in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolic waste ...

Vacuole

... A vacuole is a membrane organelle which is present in all plant and fu...ty in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolic waste ...e. ... The term vacuole in biology refers to a membrane ... The vacuole is used only in plant cells...

Umbo

...llen (oldest) part of a ... Eardrum ( Umbo ) • Ossicles (Malleus, Incus & Stapes) • muscles (Stapedius, Tensor ... The Umbo of tympanic membrane - a part of the human body ... Umbo was the name used by the German photographer Otto Umbehr (1902-80), who co ... MySpace Music profile for...

Transport vesicle

...aturally because of the... ... in the plasma membrane after the fusion of the transport vesicle ....cking of a transport vesicle at the target membrane precedes the ... The European Bioinformatics In...targeting of transport vesicles to the correct membrane destination involves ... the steps involved in del...

Transmembrane receptor

... membrane or Transmembrane receptors are specialized integral membrane proteins that take part in communication between...lular protein or protein fraction having a ... membrane or Transmembrane receptors are specialized int...

Transport protein

... A membrane transport protein is a protein involved in t...ogical membrane. Transport proteins are integral membrane proteins; that is... Transport protein ...onal database describing the predicted cytoplasmic membrane transport protein complement for organisms w...

Transmembrane proteins

...lvents for extraction, although some of them... membrane or Transmembrane receptors are specialized integral membrane proteins that take part in communication between...n is a protein that spans the entire biological membrane ... 3.8 Proteins with alpha-helical transmembra...

Thylakoids

... "sac".... thylakoid ( ) n. A saclike membrane that is the structural unit of the grana in ... Thylakoids consists of a thylakoid membrane surrounding a thylakoid lumen. ... Informatio...tures that are ... thylakoids The specialized membrane structures in which photosynthesis takes place. ...

Thylakoid

...ymate. thyme. thyme camphor ... The thylakoid membrane system also must be protected against abiotic stre...sses, ... Many thylakoid -associated and integral membrane proteins that are not part of ... ... VBS Course Navigator, Photosynthesis, Thylakoid membrane and Stroma, Previous ... Thylakoid menbrane and ...

Theory

...e may be identified. Because the dimensionality exceeds the dimensionality of five superstring theories in 10 dimensions, it... This theory has a membrane and 5-branes as solitons, but no strings. How can we get the strings that we've come to know and love from this theory ? ... Definition of theory...

Telophase

.... Mitosis, process in which a cell's nucleus replicates and divides in preparation ... In telophase , the final stage of mitosis, a new nuclear membrane forms around ... A stage-by-stage guide to the phases of mitosis. In telophase , the chromosomes are cordoned off into distinct new nuclei in t...

Syncytium

...al cells ... cardiac muscle work as a functional syncytium ? ... syncytium a mass of cytoplasm containing several nuclei and enclosed in a membrane but no internal cell boundaries (as in muscle Definition of syncytium from the Merriam-Webster Online Dictionary with audio pronunciations, the...

Stapes

...ry.org /wiki/ stapes " ... The incus is connected to the tiniest middle-ear bone of all, the stapes . ... The footplate of the stapes rests on a membrane platform known as the "oval window. ... Facts and figures about Stapes , taken from Freebase, the world's database. ... If you know more about St...

Spermatid

... As spermatid elongation proceeds, the rostral ends of the nuclei bundle (NB) ... Prior to this, each spermatid sheds a residual body containing membrane ... A round spermatid was drawn into the injection pipette (Figure 2 b-1) ... Pronucleus formation in cynomolgus monkey oocytes post-round spe...

Serosa

... In anatomy, a serous membrane (or serosa ) is a smooth membrane consisting of a thin layer of cells which excret...and peritoneal cavities, enclosing their serous membrane n. A thin...

Sarcoplasmic reticulum

...gments isolated from dog cardiac muscle possess a ... The sarcoplasmic reticulum preparation produced glucose 1-phosphate and glucose ... membrane system, the sarcoplasmic reticulum (SR) ... THE SARCOPLASMIC RETICULUM . observations regarding the DHPR-RyR relationship is ... Ca-Mobility...

Sarcolemma

... The sarcolemma is the cell membrane of a muscle cell . It consists of a true cell...cessing: Skeletal muscle structure; The plasma membrane of a muscle cell, called the sarcolemma , separ... These invaginations allow depolarization of the membrane to quickly penetrate to the interior of the cell. ...

Rough ER

... rough ER to the Golgi complex. ... endoplasmic reticulum n. A membrane network within the cytoplasm of cells involved in the synthesis, ... Th...tructures called ribosomes, ... The rough ER serves as the site of membrane protein synthesis. The rough ER is also the site of the related wor...

RNA virus

...s... This public health awareness site, hosted by Dr. C. Everett Koop, provides ... Micrographed stages of an RNA virus budding at the cell membrane ... Ribonucleic Acid RNA , genetic material of certain viruses RNA viruses and, in cellular organisms, the molecule that directs the mid...

Rhodopsin

...unciations, thesaurus, Word of the Day, and word games. Rhodopsin is the visual pigment that ... Each rhodopsin molecule crosses the cell membrane seven ... The structure for rhodopsin is at least that complex. ... ...

Revertant

... ... Revertant dystrophins retain functional domains and mediate plasmalemmal ... Revertant dystrophin, like normal dystrophin protein, shows a membrane ... ...

Retina

...h serves much the same function as the film in a camera.... retina n. , pl. retinas or retinae ( ). A delicate, multilayered, light-sensitive membrane lining the inner eyeball and connected by the optic nerve Fig. 1. Retina as seen through an opthalmoscope (39 K jpeg image) CLICK HERE to see an ...

Resting potential

... Relatively static membrane potential of quiescent cells is called resting membrane potential , as opposed to the specific dynamic el...phenomenona called action potential and graded membrane potential . ...

Receptor

... In biochemistry, a receptor is a protein molecule, embedded in either the plasma membrane or cytoplasm of a cell, to which a mobile signaling (or "signal") molecule may attach. A molecule which binds to a receptor is calle...

Proton-motive force

... which a proton gradient across a mitochondrial membrane and ... In most cases the proton motive forc... proton - motive force is caused to 3/4 by the membrane potential, and ... BioInfoBank Library :: Prot...ent and osmotic volume in chloroplast membranes. membrane potential ... What does PMF stand for? Definiti...

Proton pump

... A proton pump is an integral membrane protein that is capable of moving protons across the membrane of a cell, mitochondrion, or other subcellular compartment. Proton pump...

Protist cell

...ture cytoskeleton ... protist n. Any of a group of eukaryotic organisms belonging to the kingdom ... They extend their cell wall and cell membrane around the food material to form a ... Protist , cell ,biological,biolog y dictionary,biology terminology,biology terms,biology abbreviations ... ...

Proteinoids

...roteinoid's at Dictionary.com with free online dictionary, ... proteinoid's - 2 dictionary results. proteinoid ... Proteinoids ... by a double membrane and formed by boiling proteinoids . ... Microspheres can absorb proteinoids from the surrounding solution, which allows ... proteinoids -Medic...

Protein folding

...in folding and the Levinthal paradox ... How membrane proteins are assembled and how to think about thethermodynamics of the stability of membrane proteins ... membrane Protein Folding and Stability ... II. IN VI...

Prophase

...he genetic material has... prophase ( ) n. The first stage of mitosis, during which the chromosomes condense and become visible, the nuclear membrane breaks down, and the prophase the first stage of meiosis ... diplotene — the fourth stage of the prophase of meiosis ... How does proph...
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