Select the correct answer. photosynthetic organisms produce sugar molecules from radiant energy and inorganic substances. these sugar molecules are then used to provide energy so the organisms can grow and move. which energy transformation occurs in the second step of this process? a. chemical energy to mechanical energy b. mechanical energy to radiant energy c. radiant energy to mechanical energy d. mechanical energy to chemical energy

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scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.