What purpose does isopropyl alcohol serve in the process of dna extraction?

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?