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Cytoplasm in Biological Dictionary

Syncytium

... is a large cell-like structure filled with cytoplasm containing many nuclei. Most cells in all ... n. , pl. -cytia . A multinucleated mass of cytoplasm that is not separated into individual cells ...... syncytium ? ... syncytium a mass of cytoplasm containing several nuclei and enclosed in a ...

Sarcoplasm

... of a muscle fiber is comparable to the cytoplasm of other cells fluid of the muscle, but it ... the Day, and word games. sarcoplasm n. The cytoplasm of a striated muscle fiber. ... How does an ... in the sarcoplasm ? ... sarcoplasm the cytoplasm of a striated muscle fiber ... How does an ...

Ribosomes

... of RNA and protein that is found in the cytoplasm of living cells and serves as the site of ... cells resemble ... This can be done in the cytoplasm on clusters of ribosomes , called ... dictionary. ... Ribosomes are formed in the cytoplasm of prokaryotic cells. ... Brief and ...

Mitochondria

... organelles that are found in the cytoplasm of ... In fact, mitochondria enable cells to ... . A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic cells, containing ... cellular structures, or organelles, found in the cytoplasm ... Mitochondrion - Wikipedia, the free ...

Lysosome

... ( ) n. A membrane-bound organelle in the cytoplasm of most cells containing various hydrolytic ... lysosome an organelle found in the cytoplasm of most cells (especially in leukocytes and ... ... lysosome - an organelle found in the cytoplasm of ... Lysosome - Definition of Lysosome ...

Cytokinesis

... Cytokinesis is the process in which the cytoplasm of a single eukaryotic cell is divided to form ... microscope ... During Cytokinesis , the cytoplasm (the liquid center of the cell that holds the ... process consisting of the division of the cytoplasm of a ... Cytokinesis . Now there are two ...

Cytoplasm

... The cytoplasm is the part of a cell that is enclosed within the plasma membrane. In eukaryotic cells, the cytoplasm contains organelles, such as mitochondria, which ... liquid that is kept separate from the ... cytoplasm n. The protoplasm outside the nucleus of a ...

Cell membrane

... The semipermeable membrane that encloses the cytoplasm of a cell . ... The unit membrane of a cell ... Functions include: supporting and retaining the cytoplasm ... ... a human cell is enclosed by a ... for the controlled entry and exit of ... cytoplasm is the gel-like material inside the cell ...

Vacuole

... structural role for the plant. vacuole ( ) n. A small cavity in the cytoplasm of a cell, bound by a single membrane and containing water, food, or ... vacuole is a large organelle found in prokaryotes and within the cytoplasm ... Like most organelles, the vacuole is membrane-bound compartment, ...

Rough ER

... complex. ... endoplasmic reticulum n. A membrane network within the cytoplasm of cells involved in the synthesis, ... The term rough endoplasmic ... and Smooth Endoplasmic Reticulum . The term "endo" refers to within the cytoplasm and ... The " rough " appearance of the rough endoplasmic reticulum ...

Ribosome

... minute round particle composed of RNA and protein that is found in the cytoplasm of living cells and serves as the site of assembly ribosome an organelle in the cytoplasm of a living cell; ribosomes attach to mRNA and move down it one codon ...

Polar nuclei

... ... The remaining two nuclei , called polar nuclei , share the cytoplasm of the large ... ... (orange), central cell with two polar ... Double ... The remaining two nuclei , called polar nuclei , share the cytoplasm of the large ... ovule n. Botany. A minute structure in seed plants, ...

Polar body

... discarded in the development of an oocyte, containing little or no cytoplasm but having one of the polar body a small cell containing little cytoplasm that is produced along with the oocyte and later ... What is a polar ...

Oocytes

... oocyte is part of the ovary development. ... Oocytes are rich in cytoplasm which contains yolk granules to nourish the cell ... oocyte ( ) ... ovum develops by meiosis; a female gametocyte. ... Oocytes are rich in cytoplasm which contains yolk granules to ... Collagenase is used to remove ...

Microtubules

... cylinders, composed of tubulin proteins, are found throughout the cytoplasm of all eukaryotic cells and perform a number of functions. ... cylindrical hollow structures that are distributed throughout the cytoplasm of eukaryotic cells, providing The internal framework of a cell, ...

Megasporocyte

... means "Megaspore forming Cell" ... The Megasporocyte enlarges and its cytoplasm is very dense. ... The Megasporocyte enlarges and its cytoplasm is becomes very dense. ... The Integuments develop from the ovule ...

Centrosome

... and named in 1888 ... centrosome ( ) n. A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to ... with its pair of centrioles, move to ... from tubulin monomers in the cytoplasm and grow out from each centrosome . ... ... high degrees of ...

Vacuoles

... found in certain protists that pumps fluid in a cyclical manner from within the cell to the outside vacuole ( ) n. A small cavity in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolic waste Plant cells have very large vacuoles , but they are ...

Ubiquitin

... attachment of one or ... ubiquitin ( yü′bikwə′tin ) ( biochemistry ) A small, 76-amino-acid, highly conserved protein present in the cytoplasm and nucleus of all eukaryotes Ubiquitin ligase A ubiquitin ligase (also called an E3 ubiquitin ligase) is a protein that covalently ...

Tubulin

... Tubulin ... 1032 β- Tubulin Blocking Peptide ... These straight, hollow cylinders, composed of tubulin proteins, are found throughout the cytoplasm of all eukaryotic cells and perform a number of functions. FUNCTION: Tubulin is the major constituent of microtubules. ... This tubulin ...

Synergid

... the competence of the ... two synergid cells left intact were still ca- pable of attracting the pollen tubes. ... To follow the transfer of cytoplasm into the synergid , 1 µl of 0.01% DIOC 6 (3,4 ... DIOC staining of the synergid cells containing pollen tube cytoplasm. ... ...

Spermatids

... VI has shortened to the typical length ... Silver grains are localized in elongating spermatids (arrows) ... Labelling is restricted to the cytoplasm of elongating spermatids . ... The release of mature elongated spermatids from the testis (spermiation) is also ... Early round spermatids ...

Ribosome binding site

... sequence preceding the start codon of mRNA that is AGGAGGU ... message. Ribosomal Binding Site . Initiation factor ... ... found in the cytoplasm of living cells and serves as the site of assembly ... The ribosome then contains three RNA binding sites , designated A, P, and E. The ... ...

Retrovirus

... In addition to RNA, retrovirus particles also contain the enzyme reverse ... When a retrovirus infects a cell, it injects its RNA into the cytoplasm of that ... Society for General Microbiology (Download Article on Retrovirus Mutation Rates) ... Human retroviruses in the second decade: a ...

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 called ... The ...

Pyrimidine

... Newspapers, and magazines at HighBeam.com. Free Trial, Credit Card Required. The synthesis of the pyrimidines CTP and UTP occurs in the cytoplasm and starts ... While pyrimidine rings can be degraded completely to CO2 and NH3 (urea excretion) ... GO:0019856 : pyrimidine base ...

Proteasome

... unneeded or damaged proteins by proteolysis, ... proteasome ( ′prōdēə′sōm ) ( biochemistry ) A large proteolytic particle found in the cytoplasm and nucleus of all eukaryotic cells that is the site The scientific resource for elucidating the Ubiquitin / Proteasome Pathway. ... ...

Plasmolysis

... is called ' plasmolysis ' and the cells are now said to be 'flaccid' ... Plasmolysis is the term which describes plant cells when the cytoplasm shrinks ... In plasmolysis , the cell wall stays intact, but the plasma membrane shrinks and ... Plasmolysis . The Plant Cell ... ...

Plasma membrane

... plasma membrane is permeable to specific molecules, however, and allows ... cell membrane n. The semipermeable membrane that encloses the cytoplasm of a cell. Also called cytomembrane , plasmalemma ; Also called plasma The Cell - A Molecular Approach is a basic text that provides an ...

Peroxisome

... Try AmiGO Labs. GO database ... Britannica online encyclopedia article on peroxisome (biology), membrane-bound organelle occurring in the cytoplasm of eukaryotic cells. Peroxisomes contain enzymes ... Brief and Straightforward Guide: What is a Peroxisome ? ... A peroxisome is a ...

Organelles

... vacuole, or chloroplast, that performs a specific function mitochondrion n. , pl. -dria . A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic cells, containing genetic material and These organelles allow the cell to function properly. ... You may click on ...

Nucleolus

... nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough ... After being produced in the nucleolus , ribosomes are exported to the cytoplasm ... ... Morphology of the nucleolus . 3 The nucleolus and rDNA transcription ... 5 Human diseases associated with the nucleolus . 6 ...

Nuclear membrane

... (cytoplasm). Many nuclear pores are inserted ... The endomembrane system is composed of the different membranes that are suspended in the cytoplasm within a eukaryotic cell. These membranes divide the cell into functional and structural compartments, or organelles. ... The nuclear ...

NADPH

... caused by TNF-alpha ... It is generated by the NADPH oxidase system, a membrane-bound electron transport ... electrons from NADPH in the cytoplasm across the wall of the phagocytic vacuole ... NADPH oxidase is an enzyme that catalyzes the production of superoxide from oxygen ... ...

Monocytes

... phagocytizing ... Electron Microscopy of PHA Localization in Human Lymphocytes and Monocytes . ... The grains are localized chiefly within the cytoplasm of the monocytes . ... Article on the observation of the blood cells by the microscope. ... The lymphoid cells, instead, distinguish ...

Moneran

... electronics, mathematics, space, terminology and much more. ... moneran - definition of moneran by the Free ... Genetic material is found in cytoplasm which lacks membrane-bound organelles. Possess a cell wall ... Fission (a single cell divides into two new cells) Sexual ... Shop for The ...

Mitochondrion

... from 0.5–10 micrometers (μm) in diameter. Mitochondria are sometimes described as "cellular ... membrane-bound organelle found in the cytoplasm of almost all eukaryotic cells (cells with clearly defined nuclei), the primary function of which is to generate large quantities of energy in the ...

Mitochondrial membrane

... GO:0005741 : mitochondrial outer membrane [268 gene ... mitochondrion n. , pl. -dria . A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic ... outer mitochondrial membrane , the ... mitochondrial ... Inner mitochondrial membrane Mitochondria ...

Microfilament

... Fluorescein isothiocyanate - phalloidin Microfilaments (or actin filaments microfilament n. Any of the minute fibers located throughout the cytoplasm of cells, composed of actin and functioning primarily in maintaining the The microfilament is a single-stranded helix with each monomer ...

Messenger RNA

... Messenger RNA (mRNA) is synthesized from a gene segment of DNA which ultimately ... The messenger RNA carries the code into the cytoplasm where protein ... Messenger ribonucleic acid (mRNA) is a class of ribonucleic acid ... Messenger RNA is synthesized on a DNA ...
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