What substance is tested for to see if photosynthesis has occurred in a leaf

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.