Animals use pheromones to communicate

Which part of cellular respiration must occur before any of the other steps can occur

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?