1 ÄeskÃ½ Pivni PivnÃ­ (Festival Czech Beer) festival is the Biggest czech beer, festival is 17 days long and held every year In may In. 2  Prague Pilsner fest is the big festival held every year In august In.  plzeÅ ÄeskÃ½ Pivni PivnÃ­ (Festival Czech Beer) festival is the Biggest czech beer, festival is 17 days long and held every year In may In. 2  Prague Pilsner fest is the big festival held every year In august In.  plzeÅ
Quick Answer. Hydrogen bonds hold together the atoms in a water molecule. A single water molecule is made up of two hydrogen atoms and one oxygen atom.
A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together. Bases.