Ateacher modeled part of a dna molecule using two of these coiled springs. which part of the dna molecule was the teacher most likely modeling?

The double helix shaped sugar phosphate backbone

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: