not sure what you mean, but I think you're talking about the bonds i suppose. Anti-parallel strands are connected by H-bonds, whereas the sugar and phosphorus are bonded by covalent phosphodiester bonds.
The answer is mRNA. mRNA or mechanical RNA creates the framework of most ribosomes.
Answer:
In stage 1., the enzyme RuBisCO incorporates carbon dioxide into an organic molecule, 3-PGA.
The answer is c. heliotropism. Hope this helps.
32 atp are generated in the electron transport chain.