Which of the following could alter the expression of genes in an organism? Select one:

Large numbers of cells being produced at one time.

The deactivation of a particular chromosome in the nucleus.

The loss of cytoplasm from inside of the cell.

A change in the sequence of nitrogen bases in the DNA.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

How does photosynthesis show the conservation of mass and energy?

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.