The fluid mosaic model explains: select one: a. why active transport occurs across a cell membrane. b. the arrangement of cell membrane components. c. the movement of sodium ions across the cell membrane. d. why fluids collect in a cell under hypotonic conditions

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.