Name the organ of locomotion of englena and chlamydomonas

They have flagella and they move by beating up the flagella. Chlamydomonas :A flagellum is a long, whip-like projection of a cell made up of microtubules. They help to do propel like motion.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.