Explain two ways object can become electrically charged (not examples)

What occurs to the cell during mitosis

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

What is the role of dna ligase in the elongation of the lagging strand during dna replication?