Question

All are true about cell theory except

cells are structural and functional units of life
B All living things are composed of one or more cells
C most cells in humans are undifferentiated
D cells come from pre-existing cells​

Answer 1

D: Cells come from pre-existing cells.

This cannot be true as some cells die, meaning they cannot come from pre-existing cells.

In regards to B and C most are undiffereniated and any living thing has at least one cell in them.