Describe two experiments and explain how each provided some evidence that led to newer models of the atom.

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things