The possessive singular of all English nouns is formed by adding -'s: helix's.
double helix
The address of the Helix Public Library is: 119 Columbia St, Helix, 97835 0324
The Helix was created in 2002.
Double Helix :D
Alpha helix
The plural of helix is helices.
The helix hotel was made in 1986 to represent William Helix and explorer who died in1986.
The collagen helix is a left-handed helix with three strands, while the alpha helix is a right-handed helix with a single strand. Collagen helix is rich in glycine and proline, while alpha helix is stabilized mainly by hydrogen bonds between amino acids. Collagen provides structural support in connective tissues, while alpha helix is a common protein structural motif.
Helix is singular. Helices is plural.
Orphans of the Helix was created in 1999.
Iron Helix was created in 1993.
Iron Helix happened in 1993.