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Similarly, the participle agrees with the subject when it is used with ser to form the "true" passive voice (e.g. La carta fue escrita ayer 'The letter was written [got written] yesterday.'), and also when it is used with estar to form a "passive of result", or stative passive (as in La carta ya está escrita 'The letter is already written.').
When ser is used with the past participle of a verb, it forms the "true" passive voice, expressing an event ("El libro fue escrito en 2005"/"The book was written in 2005"). When the past participle appears with estar , it forms a "passive of result" or " stative passive" ("El libro ya está escrito "/"The book is already written "—see Spanish ...
On 13 April 2003 the SER reorganized Adra and Chakradharpur divisions to form the new Ranchi division. [4] The South Eastern Railway has electric multiple unit sheds in Tikiapara (near Howrah), Kharagpur and Panskura. Electric locomotive sheds are in Santragachi (near Howrah), Tatanagar, Bokaro Steel City, Rourkela, Kharagpur and Bondamunda.
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The triad is located in the active site of the enzyme, where catalysis occurs, and is preserved in all superfamilies of serine protease enzymes. The triad is a coordinated structure consisting of three amino acids: His 57, Ser 195 (hence the name "serine protease") and Asp 102. These three key amino acids each play an essential role in the ...
It is a type of organelle made up of two subunits – rough endoplasmic reticulum (RER), and smooth endoplasmic reticulum (SER). The endoplasmic reticulum is found in most eukaryotic cells and forms an interconnected network of flattened, membrane-enclosed sacs known as cisternae (in the RER), and tubular structures in the SER.
Serine (symbol Ser or S) [3] [4] is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated − NH +3 form under biological conditions), a carboxyl group (which is in the deprotonated − COO −
Ser, a village in Bogdand Commune, Satu Mare County, Romania Serpens (Ser), an astronomical constellation of the northern hemisphere Serres , known as Ser in Serbian, a city in Macedonia, Greece