The following concepts led to the hypothesis that dna has a double helix structure:

i. the ratio of a: t is 1: 1.
ii. deoxyribose is the sugar in dna.
iii. dna strands are antiparallel

ii and iii

i ii and iii

ii

i and ii

i and iii

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis