Example sentences for: porta

How can you use “porta” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Where the palazzo joins the basilica’s southernmost flank is the Porta della Carta (Gate of the Paper, where the doge posted his decrees and scribes gathered).

  • St. Peter’s Basilica is the largest of all Roman Catholic churches and by any standards a grandiose achievement, but it inevitably suffered from the competing visions of all the architects called in to collaborate — Bramante, Giuliano da Sangallo, Raphael, Baldassare Peruzzi, Michelangelo, Giacomo Della Porta, Domenico Fontana, and Carlo Maderno — each adding, subtracting, and modifying, often with a pope looking over his shoulder.

  • For example, Herschlag and co-workers have previously shown that a nucleobase could complement an abasic site within the hammerhead ribozyme, restoring cleavage activity [ 1 ] . Similarly, Porta and Lizardi engineered a hammerhead ribozyme that assumed an inactive secondary structure; upon the addition of an oligonucleotide that disrupted the engineered secondary structure, the ribozyme was activated [ 2 ] . More recently, it has previously been shown that many selected nucleic acid binding species (aptamers) undergo conformational changes upon ligand binding [ 3 4 5 6 ] In addition, when aptamers are conjoined to ribozymes, the ligand-induced conformational changes in the aptamers frequently modulate the structures and hence the activities of the ribozymes [ 7 8 9 ] For example, binding of theophylline to the anti-theophylline aptamer [ 10 ] modulates the conformation of residue [ 11 12 ] and the overall stability of the aptamer [ 10 13 ] . Appending the anti-theophylline aptamer to the hammerhead ribozyme allowed cleavage activity to be modulated by 110-fold by theophylline [ 13 ] . Similarly, appending the anti-theophylline aptamer to a small ribozyme ligase (L1) generated an aptazyme that was activated 1,600-fold by saturating theophylline concentrations [ 14 ] .

  • West on the Via Porta Rossa is the 14th-century Palazzo Davanzati; its stern, fortress-like exterior still provides rings at ground level for tethering horses and on upper stories to hold torches and lanterns for festive occasions.

  • Another sort of festival atmosphere prevails every Sunday, when the Porta Portese section of Trastevere hosts Rome’s liveliest and largest flea market.


How many words do you know? Try our free vocabulary size test!


Search

Search for example sentences

Loading Loading...
Quantcast