Which is not true of the cell theory? which is NOT true about the cell theory?

A:all living organisms are composed of cells

B:all cells have a nucleus, which acts like the brain of the cell

C:all cells come preexisting living cells

D:the cell is the most basic part of a living organism

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

What is the mass of 8 moles of sodium atoms

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next