Ideas about the components of cells have been affected by new technologies. Which technology enabled researchers to understand the basis of the other three?
amino-acid sequencing
blood typing
DNA sequencing
paternity testing

Which part of cellular respiration must occur before any of the other steps can occur

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.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box