Locate the element helium (he) on the periodic table. what is the period number in which helium is found? what is the group name in which helium is found?

(amoeba sisters video recap: pedigrees and need

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?