apparatus

Vesicle

...ion chambers. Many vesicles are made in the Golgi apparatus , but also in the endoplasmic reticulum , or are made from parts of the plasma membrane . Lysosomes (membrane-bound digestive vesicles) can digest macromolecules (break them down to small compounds) that were taken in from the outside of the cel...

Species

...cording to differences in the form of reproductive apparatus . Although his system of classification sorts organisms according to degrees of similarity, it made no claims about the relationship between similar species. At the time, it was still widely believed that there is no organic connection between spec...

Endoplasmic reticulum

...ocesses them and then passes them on to the Golgi apparatus (Fig. 1).Rough and smooth ER differ not only in a...s are synthesized most of them leave to the Golgi apparatus within vesicles . The rough ER also modifies, folds, and controls the quality of proteins. Smoo...

Endoplasmic reticulum

...ocesses them and then passes them on to the Golgi apparatus (Fig. 1).Rough and smooth ER differ not only in a...s are synthesized most of them leave to the Golgi apparatus within vesicles . The rough ER also modifies, folds, and controls the quality of proteins. Smoo...

Endoplasmic reticulum

...ocesses them and then passes them on to the Golgi apparatus (Fig. 1).Rough and smooth ER differ not only in a...s are synthesized most of them leave to the Golgi apparatus within vesicles . The rough ER also modifies, folds, and controls the quality of proteins. Smoo...

Ribosome

...r attendant molecules, known as the translational apparatus , has been of ongoing research interest since the mid 20th century on through the early 21st century.A triennial conference is held to discuss the ribosome. In 1999 , the conference was held in Elsinore , Denmark . The 2002 conference was held i...

Replication

... self-replication because it requires the cellular apparatus to perform that replication. Semiconservative replication is the particular mechanism of DNA replication, of several mechanisms that were originally hypothesised, that was found to be actually used in cells. In computer science , replication...

Peroxisome

...Unlike lysosomes , which are formed in the Golgi apparatus , peroxisomes usually self-replicate by enlarging and then dividing, although there is some indication new ones may be formed directly. They also have membrane proteins that are critical for various functions, such as for importing proteins into the...

Organelle

... centriole endoplasmic reticulum golgi apparatus lysosome myofibril plastids nucleus peroxisome ribosome vacuole vesicle melanosome Other related structures: flagellum cytosol endomembrane system nucleosome microtubule cell membrane...

Myosin

... myofibrils ; the basic unit of a the contractile apparatus of a myofibril is the sarcomere , which is composed of three different filament systems, the thin filaments assembled by actin proteins, the thick filament system consisting of myosin as well as the elastic filament system composed of the ...

Kidney

...afferent arteriole, is called the juxtaglomerular apparatus . It contains macula densa and juxtaglomerular ...n the internal medulla. They contain the secreting apparatus and tubules and are also called malpighian pyramids . renal artery : Two renal arteries come f...

Golgi apparatus

In cell biology , the Golgi apparatus , Golgi body , Golgi complex , or dictyosome i...shipped towards their final destination. The Golgi apparatus is present in most eukaryotic cells , but tends to be more prominent where there are a lot of subst...

Endomembrane system

...an extension of the nuclear envelope]. The Golgi apparatus acts as the packaging and delivery system for molecules. Lysosomes are the "digestive" units of the cell. They utilize enzymes to break down macromolecules and also act as a waste disposal system. Vacuoles act as storage units in some cells....

Endoplasmic reticulum

...ocesses them and then passes them on to the Golgi apparatus (Fig. 1).Rough and smooth ER differ not only in a...s are synthesized most of them leave to the Golgi apparatus within vesicles . The rough ER also modifies, folds, and controls the quality of proteins. Smoo...

Dialysis

... apparatus; no additional equipment is needed. The apparatus consists of two bags, one empty and one with the fluid, connected via flexible tubing to a Y-shaped fitting. The bag is heated to body temperature, to avoid causing cramping. Dry heat is used; common methods include microwaves , heating pads and ...

Cytoplasm

...tures (e.g. endoplasmic reticulums or the golgi apparatus ). Differences between animal and vegetal cytoplasm While all cells possess a cytoplasm, cells from different biological domains can differ widely in the characteristics of their cytoplasms. In the animal kingdom , cytoplasm occupies nearly ha...

Computed axial tomography

CT apparatus in a hospital Computed axial tomography (CAT) , computer-assisted tomography , computed tomography , CT , or body section roentgenography is the process of using digital processing to generate a three-dimensional image of the internals...

Cisterna

... flattened membrane disk which makes up the Golgi apparatus . A typical Golgi has anywhere from 3 to 7 cisternae stacked upon each other like a stack of dinner plates. The cisternae carry Golgi enzymes to help modify cargo proteins traveling through them destined for other parts of the cell. The cisternae ...

Cell biology

...ring synthesis and further processed in the Golgi apparatus . From the Golgi, membrane proteins can move to t...asmic reticulum Flagella Glycolysis Golgi apparatus Lipid bilayer Membrane Mitochondrion Nucleus Organelle Passive transport Riboso...

ATP synthase

...and were thought to contain the entire respiratory apparatus of the mitochondrion, but through a long series of experiments, Ephraim Racker and his colleagues were able to show that this particle is correlated with ATPase activity in uncoupled mitochondria and with the ATPase activity in submitochondrial part...

Alcohol

...by an excess of H 2 SO 4 or by using a Dean-Stark apparatus . Esters may also be prepared by reaction of the alcohol with an acid chloride in the presence of a base such as pyridine . Other types of ester are prepared similarly- for example p-toluenesulfonate (tosylate) esters are made by reaction of ...

Acrosome

...It is a cap-like structure derived from the Golgi apparatus . In Eutherian mammals , acrosome formation is completed during testicular maturation. The acrosome contains digestive enzymes (including hyaluronidase and acrosin ) needed to penetrate the zona pellucida covering the ovum . Acrosome ...

Acrosome

...It is a cap-like structure derived from the Golgi apparatus . In Eutherian mammals , acrosome formation is completed during testicular maturation. The acrosome contains digestive enzymes (including hyaluronidase and acrosin ) needed to penetrate the zona pellucida covering the ovum . Acrosome ...