Which discovery supported the endosymbiotic theory? a. DNA in the mitochondria
b. DNA in the cell nucleus
c. DNA in the ribosomes
d. DNA in the cytoplasm

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Where can a dna be found in a prokaryotic cell

What is responsible for the uneven heating between the poles and the equator on any given day