Tehnicile de recombinare genetica ofera noi posibilitati de diagnostic medical. Intr-adevar, infime cantitati de ADN si ARN virale pot fi izolate, compozitia lor si secventa lor nucleotidica pot fi determinate si replicarea lor realizata. Aceste date relative la acizii nucleici ar permite asadar sa

Ca in cazul multor discipline, numele si definitia conferite ecologiei, spun mult pentru cei chemati sa ii cunoasca continentul si sa-i patrunda semnificatiile. In privinta denumirii, termenul de ecologie s-a impus in atentia opiniei publice occidentale mai ales dupa 1970, iar in Europa centrala si

Acum vreo 30 de ani,efectuindu-se experiente cu ultrasunete care se propagau prin apa,s-a observat un fenomen curios.Dupa scurt timp de la punerea in functiune a generatorului ultrasonic,vasul care continea apa a inceput sa se lumineze,de parca inauntrul lui s-ar fi gasit sute de licurici.Dupa ce

Character Analysis of Polonius Although Polonius is not a main character in Hamlet, he serves to reinforce the pattern of corruption, and demonstrates the social and moral decay of Denmark. His devious ways show the audience that he is one of many characters who lack conviction and integrity.

Albert Einstein s-a nascut la Ulm in 14 Martie 1879, Si si-a petrecut tineretea Munchen , unde familia sa detinea un mic atelier care producea produse electrice. A inceput sa vorbeasca abia la varsta de 3 ani , dar, inca de mic copil a aratat interes asupra naturii si abilitatea de a intelege

The English poet and playwright William Shakespeare is recognized in much of the world as the greatest of all dramatists. "Julius Caesar" (1599) is one of his major tragedies. It is the tragic story of political rivalries in ancient Rome. Fearing Julius Caesar will become a popular

Stare naturala in natura, apa se gaseste din abundenta, in toate starile de agregare: - in stare lichida (forma in care acopera 2/3 din suprafata pamantului; sub forma de mari, oceane, rauri, fluvii, ape subterane); - in stare solida (formeaza calote glaciare); - in stare gazoasa (atmosfera

The town of Curtea de Arges lies 38 km northwest of Pitesti, at the foot of the Fagaras mountains, in the Arges river valley. Written documents give evidence of the fortified town of Arges since 1330, whereas during the Middle Ages, it was the second capital of Wallachia after Câmpulung and

Hamlet is arguably the greatest dramatic character ever created. From the moment we meet the crestfallen prince we are enraptured by his elegant intensity. Shrouded in his inky cloak, Hamlet is a man of radical contradictions -- he is reckless yet cautious, courteous yet uncivil, tender yet

Pourquoi etre végétarien? Il y a plusieurs bonnes raisons pour éviter de manger des produits dérivés des animaux. Pour ma part, c'est une raison de santé qui m'a ammené au végétarianisme: un taux de cholestérol trop